OpenTechnical

OT-2026-000076690

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000076690) never changes.

Identity and time

Publication numberOT-2026-000076690 · never reused
Internal UUID01a0ae94-b06f-73df-827d-0bde40ea86b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076690
StatusPUBLIC

Content hashes

Canonical text3ac5d120f6cfdafc3bc626a35bf6f8b341e0fd2a7d5850a45cf2a5a4321435d7
Markdown528d38440946aa5bfbd13f133c2d26cab4b53743dafd8a2bbf8d394e9f32e318
PDF
Publication page0eb8bebd2f2bfa705d7b137917159224544e5f4a773f38c52a93a9e4d40059f6
Manifest683a5baef4b29195461b4471e91398b52624afa55cf4885a969e33c8c0779c22

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
SignaturePLqbsDNV00mMqCCC6QpkecfyflQmmQHVuqaH1vGowCOIDcT27a9fIIFb+e01TCssLzNDN1GrLoroTPerVoAFDQ==
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

2026-09-17T10:09:26.963748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076690
observed 0eb8bebd2f2bfa705d7b137917159224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:26.946062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076690/manifest.json
observed 683a5baef4b29195461b4471e91398b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:26.925460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076690/publication.md
observed 528d38440946aa5bfbd13f133c2d26ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:26.906247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076690/publication.txt
observed 3ac5d120f6cfdafc3bc626a35bf6f8b3...
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.