OpenTechnical

OT-2026-000080042

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000080042) never changes.

Identity and time

Publication numberOT-2026-000080042 · never reused
Internal UUID01a0ae96-4377-747c-83f6-adb65c08c9a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080042
StatusPUBLIC

Content hashes

Canonical texte11fb13a921c6c9a92d79fef22be12c2c9fc244700ee77e67ee37d554be06011
Markdown8ad35f4a127819e1df6b5eb7117530d846d0e96a442ce487cebc42a6d3cd5393
PDF
Publication page44ea05d1989f48a3313ffec911e10682bf6cdf2f2fe2e430a5ae4c37c130a756
Manifest55d2b994a83c230dcb1e47014ad98479c611407740f4575668a59ec8327146c0

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
SignatureUuNJm0SMxNk3p2va0cQsaHyQVAlCPOLOX8I8E2vHA1+h6Ax4pQfigoA4QHEKcoXfF0K/PjK6DDWiMim0NpsADw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:58.156162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080042
observed 44ea05d1989f48a3313ffec911e10682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.137792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080042/manifest.json
observed 55d2b994a83c230dcb1e47014ad98479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.118613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080042/publication.md
observed 8ad35f4a127819e1df6b5eb7117530d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.099363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080042/publication.txt
observed e11fb13a921c6c9a92d79fef22be12c2...
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.