OpenTechnical

OT-2026-000076107

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076107) never changes.

Identity and time

Publication numberOT-2026-000076107 · never reused
Internal UUID01a0ae94-6a6e-75de-a525-f2e57e5cfba9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076107
StatusPUBLIC

Content hashes

Canonical texta8b7d8a03a3fd6d3ecb5d34bb3b663463985f881a6b2c9b7228ced82b58a60ab
Markdown75329acef74099638b9d027826435938092035481412367f68bd57dbae15ebf9
PDF
Publication page8d03ba2ab57cefa4497d704693090997a9e1ae00c78fadcc122425153d9c9243
Manifestf965644debf6ef34adfa256983c753e8a9834f0fff84c66ed5986482dbd20c32

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
Signature0F96j5vHLgBD6E6kzoku2ZWTdxTqgag1oIFLB51nR8ttvMABETZxxtW8Y9mrWZkvxzZKzNojzQ3qwDZCVqpEBQ==
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

2026-09-17T10:11:00.973282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076107
observed 8d03ba2ab57cefa4497d704693090997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:00.951308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076107/manifest.json
observed f965644debf6ef34adfa256983c753e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:00.808533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076107/publication.md
observed 75329acef74099638b9d027826435938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:00.791346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076107/publication.txt
observed a8b7d8a03a3fd6d3ecb5d34bb3b66346...
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.