OpenTechnical

OT-2026-000057406

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000057406) never changes.

Identity and time

Publication numberOT-2026-000057406 · never reused
Internal UUID01a0ae87-d5be-70c6-a055-411e9797a3ec · 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-2026-000057406
StatusPUBLIC

Content hashes

Canonical text9eab9086d069f8c6945348f2f60da0ea705e61e2544cd47c1118f2e7635d5868
Markdown2e7a6425ab204c5d8dafb2fbc2957a2013d3db9e8754423164ebd35531e52b88
PDF
Publication page23d60d598b9690c2373bfc032e7866eae95538cad4fab1e1e0c09545f686ff9f
Manifesta88f9a472004de3fe2cad6dad7513d2e6c0b0b55149cf2cdaa2d0ef0e0d3bee8

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
SignatureLiPYtmBNLl3IqkbNRI/ezaCSIpDs8wBVcBbxKSZVfnS8FpLAQP+PrkLZ8vARwQfHDRnJNPTxuzklesaN5taGCA==
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

2026-09-17T10:49:41.660183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057406
observed 23d60d598b9690c2373bfc032e7866ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.642625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057406/manifest.json
observed a88f9a472004de3fe2cad6dad7513d2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.623470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057406/publication.md
observed 2e7a6425ab204c5d8dafb2fbc2957a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.598637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057406/publication.txt
observed 9eab9086d069f8c6945348f2f60da0ea...
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.