OpenTechnical

OT-2026-000077552

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, vented after 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-2026-000077552) never changes.

Identity and time

Publication numberOT-2026-000077552 · never reused
Internal UUID01a0ae95-2ece-7254-9f5e-412a4431d6cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077552
StatusPUBLIC

Content hashes

Canonical textf8d71b4f1a7fd66d572a5f914789b0595293b9505eb1446de9b0935124710535
Markdown3f0579de670e7a8f973cb94b65453caaa10f900a16525aed205180d3fefa2dd6
PDF
Publication pagef31780a305873d54a6686fc83f8aa65ae50bcec6fcfcc9fdd025d6cda211bf8e
Manifest486723e59e7456e6914ee7a29b5d1267ecc2509eea797fdfb2fef939b324315b

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
Signature4L9cprRcaS8O1233nYZ/bjLuIRcWZxafyfKzqYqzgWHTcPHrJ1c7LOSCwWLH77j/Uq5I6Hy0L1LQEpaZ1srWDQ==
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

2026-09-17T10:06:53.295036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077552
observed f31780a305873d54a6686fc83f8aa65a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.275770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077552/manifest.json
observed 486723e59e7456e6914ee7a29b5d1267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.255917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077552/publication.md
observed 3f0579de670e7a8f973cb94b65453caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.236753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077552/publication.txt
observed f8d71b4f1a7fd66d572a5f914789b059...
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.