OpenTechnical

OT-2026-000086462

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000086462) never changes.

Identity and time

Publication numberOT-2026-000086462 · never reused
Internal UUID01a0ae9a-2c97-754e-ab06-4dd78a0e1fc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086462
StatusPUBLIC

Content hashes

Canonical text3d52f97b309b59bba8c4587d1d1c0bebb3787de55b81697aee6b4e6df24b4617
Markdown1b2e8dcd0b4cfb9d763edd9209d051b011d55acc99299a0bc83f3196c6f649f1
PDF
Publication page2de63a9f7b3ad2b815a957b34d2f0873326e2d9d29b5370d224631ea1eb650ce
Manifest45f73c6f2769600d907e97496fc3bd40719fb1b6962aa7cfb34d445ef505391d

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
Signature1034AXxTraHP1RkXetEB4x5gu6yaTo38TBT5kxK0FBVbHJ8npwiuI+13JNhTrqXQkqu9Bxrto9O7UXiIJuFHDw==
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

2026-09-17T09:52:16.004560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086462
observed 2de63a9f7b3ad2b815a957b34d2f0873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.988748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086462/manifest.json
observed 45f73c6f2769600d907e97496fc3bd40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.971955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086462/publication.md
observed 1b2e8dcd0b4cfb9d763edd9209d051b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.953997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086462/publication.txt
observed 3d52f97b309b59bba8c4587d1d1c0beb...
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.