OpenTechnical

OT-2026-000052714

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000052714) never changes.

Identity and time

Publication numberOT-2026-000052714 · never reused
Internal UUID01a0ae84-a42d-762e-9ed6-67f0d6f27cc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052714
StatusPUBLIC

Content hashes

Canonical text1d814cc9018299e686dd26d4cd2acdab86a855c38ad1dd600bc6cfbf4e09db3b
Markdowne32c9b971d754be1f7555206816c89014bb94ed8e855dcb42bd3b65a5837cbfa
PDF
Publication page568b8823e27c33f0f436f9b776d77a2f847f7e5f3a7fc6c67cd78b55b9a265de
Manifest73a8b6d7941a12e87b9fb2576cda317443c60887e5e52bf7bf47a47070bd8871

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
Signaturem4fZziiCLeK6o6Kut1hjEbn2ONkuLf8DpQCX/W+XnU2JsZjFUbvKgkI6J+nFEZ7OgMx6HLEbzq/wxKzGzBE8AA==
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

2026-09-17T10:55:42.212546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052714
observed 568b8823e27c33f0f436f9b776d77a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.194344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052714/manifest.json
observed 73a8b6d7941a12e87b9fb2576cda3174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.178137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052714/publication.md
observed e32c9b971d754be1f7555206816c8901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.161088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052714/publication.txt
observed 1d814cc9018299e686dd26d4cd2acdab...
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.