OpenTechnical

OT-2026-000097120

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, 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-2026-000097120) never changes.

Identity and time

Publication numberOT-2026-000097120 · never reused
Internal UUID01a0aea1-01c9-7c8e-b27b-acc1a1f6f588 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097120
StatusPUBLIC

Content hashes

Canonical textf6208c8603c98c581adf49b28e722730f14bda4b2fc3dc4924fc0a90a954820d
Markdownf8cc34bc22b6796d016dc42f14e6fc249ad8ee425cc08d6ef9075b9d034114d6
PDF
Publication pagef7bdea1f34a1f6cc4d8663cca385344f0a0a258515bb707260911c2f588e1ee3
Manifest8cbe95ec8573ce0388d6c98f43c05a70825536a6f612c353cac9d1ceb4ba4388

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
Signature4qA1Tf4J+9Z8AT8H8vT6D8zlkRrbYWW3WrvjJ2KzfX50BUg4XjHKtTDrlUppiJoowNpAUHARiprnL7aVG7MNDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:52.161999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097120
observed f7bdea1f34a1f6cc4d8663cca385344f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:52.142239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097120/manifest.json
observed 8cbe95ec8573ce0388d6c98f43c05a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:52.121236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097120/publication.md
observed f8cc34bc22b6796d016dc42f14e6fc24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:52.103167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097120/publication.txt
observed f6208c8603c98c581adf49b28e722730...
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.