OpenTechnical

OT-2026-000079379

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, 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-2026-000079379) never changes.

Identity and time

Publication numberOT-2026-000079379 · never reused
Internal UUID01a0ae96-0b90-7b9a-8e0f-0b471af7e962 · 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-2026-000079379
StatusPUBLIC

Content hashes

Canonical text489ba5772cfc0dfb3e4d4a401a8b3618b834593a2faca47dbfbaeeef3d48e080
Markdown76f0929a38f2e6c9b4d0b9caab5e1304b978f5ad7772231fc6de5d547445ed0f
PDF
Publication page2e72846e5fe22c25a1944c77d114053eb5a490746b63fa08251e597c757bd846
Manifest4e475399f40c07952fd8b0cbbb7a839de47773f4fea5a3441588d14895f2ae14

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
SignatureRtpaHlfkNaRJ0fKn6tN/BowW30/fOu2PIWktR3TkGYSJR26x0ehYblF00qdXntnw56usL/mchfXtOVfSD0T8Dw==
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

2026-09-17T10:04:59.992910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079379
observed 2e72846e5fe22c25a1944c77d114053e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.973463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079379/manifest.json
observed 4e475399f40c07952fd8b0cbbb7a839d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.955780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079379/publication.md
observed 76f0929a38f2e6c9b4d0b9caab5e1304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.937489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079379/publication.txt
observed 489ba5772cfc0dfb3e4d4a401a8b3618...
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.