OpenTechnical

OT-2026-000057169

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057169) never changes.

Identity and time

Publication numberOT-2026-000057169 · never reused
Internal UUID01a0ae87-d5ba-79cf-a098-78732b12c444 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057169
StatusPUBLIC

Content hashes

Canonical text57a091049e7dcbe6217b5734aa34d68f39fd3a08a14dd4913cfcc3bbb3c4b22a
Markdownf629b76ad1ee4692638bcec9759a5142df544564fdc469efd6840b4af794bcc2
PDF
Publication pagedca89b114e7ad467abea99814aa1fe5154a62327f36ded76c51a84da53e3f947
Manifest2da920633114f5751f64496309a6a887d4b7ca36faf1f50454e1ae96aaca6bcf

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureLX87vR88MucEoPyPdri8yqNrDUy2nqd5OtzWshWKGQAfkyzE2EMtvAV+kGESNI0mCP0yhDfjrNw7AYVf9+rCCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:10.990747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057169
observed dca89b114e7ad467abea99814aa1fe51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.974676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057169/manifest.json
observed 2da920633114f5751f64496309a6a887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.956165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057169/publication.md
observed f629b76ad1ee4692638bcec9759a5142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.939436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057169/publication.txt
observed 57a091049e7dcbe6217b5734aa34d68f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.318614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057169
observed dca89b114e7ad467abea99814aa1fe51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.299962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057169/manifest.json
observed 2da920633114f5751f64496309a6a887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.283054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057169/publication.md
observed f629b76ad1ee4692638bcec9759a5142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.266513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057169/publication.txt
observed 57a091049e7dcbe6217b5734aa34d68f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.