OpenTechnical

OT-2026-000090998

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000090998) never changes.

Identity and time

Publication numberOT-2026-000090998 · never reused
Internal UUID01a0ae9c-c011-791f-90b6-826c5375bdc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090998
StatusPUBLIC

Content hashes

Canonical textd854a28c59dd4ba5d920ca2cce05d2428fe335d1465f028580282e262119868a
Markdownbeef7d5cf3ca005875663c73c072eb15c57a29ff0bcf9652e79d2b245deb68a3
PDF
Publication pageaab3b2fa5ebd323564f4fc73bfac96f602ed637277117eb7533f5a96da349863
Manifest545425ab7a970d24a1fd0cf92427ace43e46ddf044b67160ae130e8b0a1289b6

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
SignaturelATHwKSlbNjeUOE0CbuBLANPWov75bUO5DMzLFff+5Z9EUD5o5hPQGY3OnaBdSB4qrgXpLetlRnWwis80bvLDw==
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

2026-09-17T09:44:13.818028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090998
observed aab3b2fa5ebd323564f4fc73bfac96f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.800115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090998/manifest.json
observed 545425ab7a970d24a1fd0cf92427ace4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.781407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090998/publication.md
observed beef7d5cf3ca005875663c73c072eb15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.762638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090998/publication.txt
observed d854a28c59dd4ba5d920ca2cce05d242...
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.