OpenTechnical

OT-2026-000087758

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, supply line pressure sensor, sustained 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-2026-000087758) never changes.

Identity and time

Publication numberOT-2026-000087758 · never reused
Internal UUID01a0ae9b-1aa4-7596-8d94-b94847675bbf · 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-2026-000087758
StatusPUBLIC

Content hashes

Canonical textb6489d48ac29431ad850a2a6fe3edf3b5fdfd39b5a2cb7057aace17fc06bc84f
Markdownbb5e786a265de6b067612da774a9f08d8af03cf57b03d0bd750ab0c65f273545
PDF
Publication pagedadd4933ddb7b1dc0cfceca0cf4b4f02cc06647f3525aa3612d34a657ff4f83a
Manifestcb550aef0827b7f26802c80de3369988a22d8340f57e1c5a48dd301c165aa83e

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
Signature0GoBOHah5pJONNrEqX2IqI8FjcbS0Upr3HAAHsKcMAvkne+WaOqWWmk73nYHIpVpbd/jD+MZG2+POK3iytn8DA==
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

2026-09-17T09:48:57.005650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087758
observed dadd4933ddb7b1dc0cfceca0cf4b4f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.985935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087758/manifest.json
observed cb550aef0827b7f26802c80de3369988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.966296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087758/publication.md
observed bb5e786a265de6b067612da774a9f08d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.946886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087758/publication.txt
observed b6489d48ac29431ad850a2a6fe3edf3b...
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.