OpenTechnical

OT-2026-000078551

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000078551) never changes.

Identity and time

Publication numberOT-2026-000078551 · never reused
Internal UUID01a0ae95-7c29-7999-afc4-ce025b12f68a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078551
StatusPUBLIC

Content hashes

Canonical text2405f07a2ab20b0c09c31d5d942c6d7a9085bba2ca68bf12dede03d773c5bfc6
Markdownc3ac635948eb977a0685995d0879cb3f89d2bd59359c1be5b9434883cc356f18
PDF
Publication page5d2faf72a24c2b6d7c552d7c6daa3d473a3ee7f9c81f9bf374a512eabf03647b
Manifestd91cf60bfd7b24da278f12f593936713fa6bb038099ab9a1908f282e07cf167e

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
SignatureN94+Ot1K+7/u0b7FWdExlut9nHKiO5YC+PfxnQC+A+vrgbOEC+lcll4CIxPCE6KHRfM6x72b74mLnRqdFBbIAQ==
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

2026-09-17T10:06:34.322416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078551
observed 5d2faf72a24c2b6d7c552d7c6daa3d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.303156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078551/manifest.json
observed d91cf60bfd7b24da278f12f593936713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.283005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078551/publication.md
observed c3ac635948eb977a0685995d0879cb3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.263174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078551/publication.txt
observed 2405f07a2ab20b0c09c31d5d942c6d7a...
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.