OpenTechnical

OT-2026-000051690

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000051690) never changes.

Identity and time

Publication numberOT-2026-000051690 · never reused
Internal UUID01a0ae83-7c82-7042-bbf3-bedad3d815b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051690
StatusPUBLIC

Content hashes

Canonical textffcf77771ffe4666c7f64ba6232b6c52683d62ec9002d0112d9af362c279e459
Markdowncece3ac574407c7e5d1f3a563cc428f57f24b007fe44144d06cdfcaec92b36fa
PDF
Publication pagecb16dd77b800afad814f39757950dbebee71d7c11d33c4dfe52a6075df6585a4
Manifest2145d1c4a2658326e93747f1ea708c55c870e50bb8d92c815adf525b59bb61c6

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
SignatureFxrELKiEH4tb5IlUgePiNn30wDYVpEBluEYxFwKY3wczQ73WvUGWcSoRn2XmPvQJkxC3XrJkM+NgSu1BdLpNDQ==
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

2026-09-17T10:58:34.006680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051690
observed cb16dd77b800afad814f39757950dbeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.989557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051690/manifest.json
observed 2145d1c4a2658326e93747f1ea708c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.972634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051690/publication.md
observed cece3ac574407c7e5d1f3a563cc428f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.955587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051690/publication.txt
observed ffcf77771ffe4666c7f64ba6232b6c52...
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.