OpenTechnical

OT-2026-000015636

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed 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-2026-000015636) never changes.

Identity and time

Publication numberOT-2026-000015636 · never reused
Internal UUID01a0ae6e-0c4b-78a0-9668-22d791e72e64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015636
StatusPUBLIC

Content hashes

Canonical text39eb5cc374fa67cac74a5f4487ae31279a6c6a653c65aaf5f103a57f3cdc0f48
Markdownb4fda6f6c3dcec9d858b6bbbd501172d195932f2287173b4d1a1b00ecabf5f3f
PDF
Publication pagec842fc44c4e173893f34daf3dd7a615bc66df23f40b58176905bee50e50c9399
Manifest6960fcd52f07f32ef69ea81e543463758548855ca50a0bb18c20180f2073a88d

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
SignatureM+gsWCLdK3nLPumbU4GHsOmuP4ycJPRkgJn+MgC1IMi2k5onv6srjKkmJ26uUaG4JWiuzVVg3kZPrN5d7EP1Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:04:53.400931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015636
observed c842fc44c4e173893f34daf3dd7a615b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.381861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015636/manifest.json
observed 6960fcd52f07f32ef69ea81e54346375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.364596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015636/publication.md
observed b4fda6f6c3dcec9d858b6bbbd501172d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:53.345772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015636/publication.txt
observed 39eb5cc374fa67cac74a5f4487ae3127...
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.