OpenTechnical

OT-2026-000071980

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000071980) never changes.

Identity and time

Publication numberOT-2026-000071980 · never reused
Internal UUID01a0ae92-47c0-7036-869f-865fe96a8d89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071980
StatusPUBLIC

Content hashes

Canonical text9bc3cc173e5cfbba2bc2f88aafb0ec75281f15f40dd9f8b8246228b8eff901c8
Markdowne81a7034e022de3b6094f5cdb3b39efef9c6db72b395cfb68c7e8d530eb87e5c
PDF
Publication pageb144cc346da537aa8a896f8d1911cfd778f80689f958f3e33cbfa35db1b63767
Manifest4a8bec3825f4a459bf0b4fc52176ab163dd87fa0cd1d742c5e2a84c79a7e5153

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
SignaturetcO00fffftAA0moQozbYvswuFNth1vDWhUNxIN6cyixbnV5++GfV1cQLruR4kAbrFmdRDeoQqbmfmcyzolnpCw==
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

2026-09-17T10:23:01.870911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071980
observed b144cc346da537aa8a896f8d1911cfd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.853674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071980/manifest.json
observed 4a8bec3825f4a459bf0b4fc52176ab16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.835653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071980/publication.md
observed e81a7034e022de3b6094f5cdb3b39efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.817792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071980/publication.txt
observed 9bc3cc173e5cfbba2bc2f88aafb0ec75...
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.