OpenTechnical

OT-2026-000053841

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three 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-2026-000053841) never changes.

Identity and time

Publication numberOT-2026-000053841 · never reused
Internal UUID01a0ae85-735d-7020-acca-824f2b00fd9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053841
StatusPUBLIC

Content hashes

Canonical textbd5e57b29ef2ce22f073ac6980a82c8db6682b13f3854f3067872211ee7b5682
Markdown820c9d8f41b17ae8583aeca7d8c39b20a6e72bf72c1132bdd97544a5761cf96e
PDF
Publication page4d0558c20c1ed8f449c26678835fe6e5796ddf764e73e7bb04cdc909e247bfd9
Manifest7fe0ac7a8200131253ce781eb0c2a51aa171e368e15e6603513d0fb51c33464f

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
Signature46R3WRB20py4n1Ss4O0YKHhTiKfBQB0jVP1G9xf8vSA+2hsvVLFrfz16dM/1VbskbQte75SmspEQ59jV2TTnBg==
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

2026-09-17T08:40:35.456263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053841
observed 4d0558c20c1ed8f449c26678835fe6e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.438841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053841/manifest.json
observed 7fe0ac7a8200131253ce781eb0c2a51a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.421396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053841/publication.md
observed 820c9d8f41b17ae8583aeca7d8c39b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.403946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053841/publication.txt
observed bd5e57b29ef2ce22f073ac6980a82c8d...
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.