OpenTechnical

OT-2026-000078099

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078099) never changes.

Identity and time

Publication numberOT-2026-000078099 · never reused
Internal UUID01a0ae95-6e8c-7a45-a717-6802a889b62a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078099
StatusPUBLIC

Content hashes

Canonical text222b27865155ccb5b35704a93c8c244b3585b66886eecf01e22703b242cd00ae
Markdown195bbd0011b6df06a171033394e4fb66b814dc4eec3c5c24b7006656eb07a522
PDF
Publication page385248dbbbe4c13e4a3eb998ce1fb8c73ed710e3b466454428684d2323725f1a
Manifest8de76ade226b6fa5745b43585f6b2bf89949d75edb41aeffc8eac9c6fbbedda5

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
SignatureQySimHovTZsIis/OmWLResjsFaqIt1HbXNHIqHUrHxEWtAGfr/KaFrVI0Zt6NnXhDKwBdpbDBfee+J2xR0BLDg==
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

2026-09-17T10:06:48.493361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078099
observed 385248dbbbe4c13e4a3eb998ce1fb8c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.474037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078099/manifest.json
observed 8de76ade226b6fa5745b43585f6b2bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.456757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078099/publication.md
observed 195bbd0011b6df06a171033394e4fb66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.438368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078099/publication.txt
observed 222b27865155ccb5b35704a93c8c244b...
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.