OpenTechnical

OT-2026-000087960

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000087960) never changes.

Identity and time

Publication numberOT-2026-000087960 · never reused
Internal UUID01a0ae9b-1aa6-799e-96c1-856f47cf4bf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087960
StatusPUBLIC

Content hashes

Canonical textb15d36a84ab1b0afd09193c32a7e67854f7942c58563d3516a1da49d4f5c58a0
Markdownf88ed5772ae78350951f220f96d51597520e3ddef519e2b74eae09f0ba7caad8
PDF
Publication page04231339bc6bd10c61ea40827b6b9f899f7948eeabda1b9fb10cd5c8c658b53b
Manifest03fc6103a0c098d77af5b33a19a04bff4ca3c9fc3113b2d80f7cf2eb28d5667b

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
SignatureLMdEWJDexdER5Y8Cgz2xVxzGPDbT5dB+baL8jHUxcf59PYjfmmeXgTyiAGttL9q3jVEJ8JjvlKWbTI+pBqMXAg==
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

2026-09-17T09:49:15.190706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087960
observed 04231339bc6bd10c61ea40827b6b9f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.171617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087960/manifest.json
observed 03fc6103a0c098d77af5b33a19a04bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.154531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087960/publication.md
observed f88ed5772ae78350951f220f96d51597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.137190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087960/publication.txt
observed b15d36a84ab1b0afd09193c32a7e6785...
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.