OpenTechnical

OT-2026-000007976

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000007976) never changes.

Identity and time

Publication numberOT-2026-000007976 · never reused
Internal UUID01a0ae6a-908b-7864-adcd-ed78c340a901 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007976
StatusPUBLIC

Content hashes

Canonical text86d64412a358446863eac79ccf8202f905f3ee02c7d2694fe2a542ee99c7f91e
Markdown7f4742b2e77ae154a778bdbf03505d7221fbef711c8391a5ad63ffd51ae10155
PDF
Publication page819784dcb3f15a7e562c01358223b16bd43583d231cb2b884c5622d93f1fb238
Manifestc4bbc404dbdeee3beee8dd858cd85d552ec7f5e14b1ee10c1e81210c48ea02b4

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
Signature1OYLBANiTKij3cQKVqh3IaGQ9i4R+jNzKPj2J1C/hBOyARk/3824jiNQw2FgpUgzKL8V50R+Oz9cDlGinYTBAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:31.088830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007976
observed 819784dcb3f15a7e562c01358223b16b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.067676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007976/manifest.json
observed c4bbc404dbdeee3beee8dd858cd85d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.048866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007976/publication.md
observed 7f4742b2e77ae154a778bdbf03505d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.029503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007976/publication.txt
observed 86d64412a358446863eac79ccf8202f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.108090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007976
observed 819784dcb3f15a7e562c01358223b16b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.086911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007976/manifest.json
observed c4bbc404dbdeee3beee8dd858cd85d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.068288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007976/publication.md
observed 7f4742b2e77ae154a778bdbf03505d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.048635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007976/publication.txt
observed 86d64412a358446863eac79ccf8202f9...
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.