OpenTechnical

OT-2026-000080642

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000080642) never changes.

Identity and time

Publication numberOT-2026-000080642 · never reused
Internal UUID01a0ae96-7e79-761e-a7b8-d62882cc19cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080642
StatusPUBLIC

Content hashes

Canonical text1a9e5945953c0b1eb00102f2f8cc15e23bacb3994cb35a5a20690db590888b72
Markdownd4d2c01b5ba59624195297b17353c924b6c04116ca9ed12ee9276adfda6d1c48
PDF
Publication paged51d1159a31f4228f4e18540e6d019d92c2bf871638722eef28a08f29a78a673
Manifestd816b13443b36dd9cab5d1418184b1824c7e9f4ba90533d93a6cc9d60fa33066

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
Signaturek0Gl4mSWjgOxaZFVlgSCkL+ZnZAEUeRmXKrEwyi1X09uMh2+kpj9L4q0mH7Hu0coSl1vvI24crx1y1EA7U6oAg==
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

2026-09-17T10:03:18.363456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080642
observed d51d1159a31f4228f4e18540e6d019d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.338810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080642/manifest.json
observed d816b13443b36dd9cab5d1418184b182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.313935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080642/publication.md
observed d4d2c01b5ba59624195297b17353c924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.290149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080642/publication.txt
observed 1a9e5945953c0b1eb00102f2f8cc15e2...
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.