OpenTechnical

OT-2026-000070990

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000070990) never changes.

Identity and time

Publication numberOT-2026-000070990 · never reused
Internal UUID01a0ae91-8c2e-7099-957a-259fdd117c5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070990
StatusPUBLIC

Content hashes

Canonical text4103aef0e0b04709f153845e2bc29bf8cf6d3d7c8e0106307a18fff0c27e6e44
Markdown48754a5139c33598e76e2c683d680055517ca9a0398c5fd49d674a67fcc01c0c
PDF
Publication page7607757ddf9ab492c0475ddcd59129dc71acf37e965b0952bddac56c2730f6a5
Manifest57092ae8aa53db858e62e1fabc4bd7b8d99656640144ffdfd02b71aecec7f7c1

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
SignatureNrBG6EW9lOsrGoTAukLehpz824kuCimylRWGTVmbCVKdISl/AtnNiZPYce0NJT4GYWbcz20/z3A7JwGU7kPgCA==
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

2026-09-17T10:25:50.055808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070990
observed 7607757ddf9ab492c0475ddcd59129dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.039801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070990/manifest.json
observed 57092ae8aa53db858e62e1fabc4bd7b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.020580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070990/publication.md
observed 48754a5139c33598e76e2c683d680055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.004261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070990/publication.txt
observed 4103aef0e0b04709f153845e2bc29bf8...
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.