OpenTechnical

OT-2026-000080714

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented after set-down

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-2026-000080714) never changes.

Identity and time

Publication numberOT-2026-000080714 · never reused
Internal UUID01a0ae96-b973-7989-a921-5dad2ec7d8c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080714
StatusPUBLIC

Content hashes

Canonical text3d3f5299140705f4a3fef6e2bc95f8f0e56685209149009f1fa0a8984be4538e
Markdown43a7d91d06b8f052684ef527bab24c94626925e0ccb1c81311f849ee31e3e3fb
PDF
Publication page50a2a05436d3caa8728b5757dfe139d8e2f2ff47fa6a88ac21e964522a0da185
Manifest986b15aaa43602b0a9fa288ac402dc99d5208757870ec1374b7da93cf444b0a3

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
SignatureJbszVsuiGllvKWBG0irG/QbKGBMutrVWJrNPsGbE8NGIAsgHNo3ANXS5EWDCy34GUB1c7iQ4Tlw8NJoYTB+gCA==
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

2026-09-17T10:01:44.846324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080714
observed 50a2a05436d3caa8728b5757dfe139d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.828087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080714/manifest.json
observed 986b15aaa43602b0a9fa288ac402dc99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.809027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080714/publication.md
observed 43a7d91d06b8f052684ef527bab24c94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.789638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080714/publication.txt
observed 3d3f5299140705f4a3fef6e2bc95f8f0...
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.