OpenTechnical

OT-2026-000095502

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000095502) never changes.

Identity and time

Publication numberOT-2026-000095502 · never reused
Internal UUID01a0ae9f-8f74-7274-a979-fc70ead960f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095502
StatusPUBLIC

Content hashes

Canonical text60f9ca6ef8611a83168cfea0023204ecc13999cb8c0e7feb74e6a7bcc8e646ba
Markdownffa7be21789fdd2161e203d45180c3e8cf10875688334767171371372d0690b0
PDF
Publication pagebe9269fa49c67d9630be0b2daaeb02bb96ba190bde979ee62673f40243cf714c
Manifest98027d77dcc14fe85cab04349d16333bd042ef5123e894ac60f5d2c171b300b4

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
SignatureyNYeEl3v9Uj83UzDsEZ9ngFPTNEkvyRYHpqi74Kz6dKSyfCoxCyyKKcEE+z9RboV9qWHkOpxmQVeHAWv7tYTDQ==
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

2026-09-17T09:36:54.485212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095502
observed be9269fa49c67d9630be0b2daaeb02bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.467709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095502/manifest.json
observed 98027d77dcc14fe85cab04349d16333b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.433242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095502/publication.md
observed ffa7be21789fdd2161e203d45180c3e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.404170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095502/publication.txt
observed 60f9ca6ef8611a83168cfea0023204ec...
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.