OpenTechnical

OT-2026-000071816

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000071816) never changes.

Identity and time

Publication numberOT-2026-000071816 · never reused
Internal UUID01a0ae92-1e92-7260-ac23-249c9f1b2a5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071816
StatusPUBLIC

Content hashes

Canonical texta36b80d04fdbfefea8f69e162aebf34cc4e617a69815b51202d47afc56a5d3ba
Markdownc44edf06f2c5d0e406c7ff888c01db25399dd84cdfa39708155d909e31a0e232
PDF
Publication page6185ed022d8e5e64698feb19adec03f2e6657244731a18215bb2328835665b6e
Manifest265a075770f398267646fc39bc7fe98357aa74830bf6827c6be705320cfb3296

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
SignaturexVZx+IkdNVCGoVJQae+tOoirRUM5DDMXeoq9aiQu1SYxaYEBhim4hfD4LJEsJE8t07Mw8BU69zJNb51GAUAUBA==
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

2026-09-17T10:23:58.587524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071816
observed 6185ed022d8e5e64698feb19adec03f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:58.569005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071816/manifest.json
observed 265a075770f398267646fc39bc7fe983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:58.551134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071816/publication.md
observed c44edf06f2c5d0e406c7ff888c01db25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:58.534265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071816/publication.txt
observed a36b80d04fdbfefea8f69e162aebf34c...
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.