OpenTechnical

OT-2026-000054770

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000054770) never changes.

Identity and time

Publication numberOT-2026-000054770 · never reused
Internal UUID01a0ae86-1285-7e8f-bfa0-406e2de41e1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054770
StatusPUBLIC

Content hashes

Canonical texta331356e37eb2d4f6b45ce4956f967dc270fb5023ad5e1c80b3aadbd7e4d1c52
Markdown52f97ef4509877ca7ec8f15803e485df5b0538081be0a4adc5d7a8c6667b2eb8
PDF
Publication page3a83acad091e610f49abec7cda0b3718a98e8faf5e8a0ab4f047bda3a30e557e
Manifest9202478284c0b8832b47f78b083d9b5906b98f052e2378c1664ee85ead322398

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
SignatureY52HSr2A8KJymtJpRWjk+GpbRi9UpmZV0SYYO9+ryXCLKz9Um9C+3u6TWawHo/eSGmZt1f9EYTqZFtoVfUPuAQ==
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

2026-09-17T10:53:57.834630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054770
observed 3a83acad091e610f49abec7cda0b3718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:57.816799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054770/manifest.json
observed 9202478284c0b8832b47f78b083d9b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:57.795673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054770/publication.md
observed 52f97ef4509877ca7ec8f15803e485df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:57.775357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054770/publication.txt
observed a331356e37eb2d4f6b45ce4956f967dc...
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.