OpenTechnical

OT-2026-000079447

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000079447) never changes.

Identity and time

Publication numberOT-2026-000079447 · never reused
Internal UUID01a0ae96-0b91-7a62-a64b-99374bb0b8c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079447
StatusPUBLIC

Content hashes

Canonical text725a4b66463b156dc341649b084c09cf0479d7d23d6fabfb4b950c23e8554ed2
Markdownc5d150d07d15797765b2515aba76a5aea81355c44e5a7ba07ee574b0d9a7faa3
PDF
Publication page10803cc885c95740d5996628f5240993fcd27bbb65041ecb2aa90d464a204b77
Manifestc386c8a59dc22354f26f02e444134b0c441ecf9b00ea68d3bf4edf652467fbb0

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
SignatureZzvfd3zEDZtgCkcBUp4l04sTUtZ0/CdWuwvzCqqxZ8zPNpR2xQ5wglU5iThvJ07CeVlSgJ29SR3nbsWQGFxJCQ==
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

2026-09-17T10:05:04.369553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079447
observed 10803cc885c95740d5996628f5240993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.350560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079447/manifest.json
observed c386c8a59dc22354f26f02e444134b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.331700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079447/publication.md
observed c5d150d07d15797765b2515aba76a5ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.313576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079447/publication.txt
observed 725a4b66463b156dc341649b084c09cf...
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.