OpenTechnical

OT-2026-000085767

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, sustained blow-off 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-2026-000085767) never changes.

Identity and time

Publication numberOT-2026-000085767 · never reused
Internal UUID01a0ae99-e829-76c7-b683-b6e351505ea3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085767
StatusPUBLIC

Content hashes

Canonical text20faeeac13da13d38b1dad5c7c85e83570860204244e2ebef53df3ab2db28d3b
Markdown0de232cd51b3affb670940d13e80a55c0fa307bcc3a1fb581acf7938adbe3c19
PDF
Publication page369e3855afb3387361d0b864b0357252bb475a3a8af336fa7f809a8174d212a9
Manifest89bd64ef830b55ad44174e6a4d77fb6ac9621391c0de6588aab167016dbec410

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
SignatureRQkHQtjDqlZLODXBl4FLRrJm11DqZefTyhigZDAIQ/bKXjIuduDv07n3kKidhxtaDPCK7HhU6zvqqf2QRu6xBA==
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

2026-09-17T09:52:39.533142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085767
observed 369e3855afb3387361d0b864b0357252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.516029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085767/manifest.json
observed 89bd64ef830b55ad44174e6a4d77fb6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.498839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085767/publication.md
observed 0de232cd51b3affb670940d13e80a55c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.480772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085767/publication.txt
observed 20faeeac13da13d38b1dad5c7c85e835...
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.