OpenTechnical

OT-2026-000086360

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000086360) never changes.

Identity and time

Publication numberOT-2026-000086360 · never reused
Internal UUID01a0ae9a-2c96-7171-b34d-0bcd20995359 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086360
StatusPUBLIC

Content hashes

Canonical textfcbb03e65a6d1d8db8828df079fc035aa1f208858449549e5ed40b53dc0a399b
Markdown07d8763360cda1c8bf95c03bba884161997bfc882b2ef7a0c8b69f348d2d2cfa
PDF
Publication page4f54b3a4b89be1852c50f2781447cd3e6c2376a5928fa3d5f722e75b924c5505
Manifest90c5107e8f53b8f003aa5547eb183fd837e31afd1b3a0788c7846d765e0f9d6d

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
Signature2Tl/nqD7omTAZuUP9xHjtDT8aL+kDGAxRxU1Bx8cD6K7Ozi+zywiEa89exDoLMZFNIYqJH+sF4J3KJtGa63TAg==
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

2026-09-17T09:52:02.954289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086360
observed 4f54b3a4b89be1852c50f2781447cd3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.936505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086360/manifest.json
observed 90c5107e8f53b8f003aa5547eb183fd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.918472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086360/publication.md
observed 07d8763360cda1c8bf95c03bba884161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.900965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086360/publication.txt
observed fcbb03e65a6d1d8db8828df079fc035a...
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.