OpenTechnical

OT-2026-000055501

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line 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-2026-000055501) never changes.

Identity and time

Publication numberOT-2026-000055501 · never reused
Internal UUID01a0ae86-a102-7b4e-b56e-7c32cdc2cced · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055501
StatusPUBLIC

Content hashes

Canonical text1434bd09e1f11da25bbd952259fcc9ab498cf4be1badc95fa4399172f1daba86
Markdowne1094729ed46e7c3968115a800ff9c4725fb9e26037e63b8f34f0a1203ce0670
PDF
Publication page552178e5981b64da58406076eeb82018586c696ddf7959c027336881bf1b7fd1
Manifest3c5146805d8ac676edb7328df67efc62f5219815465921c22c79565af367bdc5

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
SignatureaeqXOmnABQrEJzEpCZ7kzDUimoc7ESPYzPpePlaBtsf1VHHDR2wm+SN/eflEIXPS1VF0ynWwZNpDgheif8DRCA==
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

2026-09-17T10:52:10.325845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055501
observed 552178e5981b64da58406076eeb82018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:10.307788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055501/manifest.json
observed 3c5146805d8ac676edb7328df67efc62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:10.284712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055501/publication.md
observed e1094729ed46e7c3968115a800ff9c47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:10.264987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055501/publication.txt
observed 1434bd09e1f11da25bbd952259fcc9ab...
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.