OpenTechnical

OT-2026-000054928

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000054928) never changes.

Identity and time

Publication numberOT-2026-000054928 · never reused
Internal UUID01a0ae86-5e7f-7965-b6c2-b2ad66332bb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054928
StatusPUBLIC

Content hashes

Canonical textba861495a9525bdc337d72a4188eb7c6832511eb10881cb0fe815a6657e6de29
Markdownd568cd1d515885e8c1b864a17e838ba250fd1540dd1a0e7549ea6964377ef0b2
PDF
Publication page81fa1009c01a89d7c50e2803aa4b8cc97e2b39271f7f9857de71abee3d411ad8
Manifest2f7bfbe9505c201e5fbda9a70629ceae96b19d313ac614f62a5ae6a292468f3a

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
SignatureXytmxrgPvddaVR1Og/36nooVeeuCJ1IG3C2z9Q1dvjDXK/yhQND6fX2Li5kFQzdiasPDfIJfWKDJJIgcnRU5BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:01.869705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054928
observed 81fa1009c01a89d7c50e2803aa4b8cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.851965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054928/manifest.json
observed 2f7bfbe9505c201e5fbda9a70629ceae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.831574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054928/publication.md
observed d568cd1d515885e8c1b864a17e838ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.812323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054928/publication.txt
observed ba861495a9525bdc337d72a4188eb7c6...
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.