OpenTechnical

OT-2026-000074113

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000074113) never changes.

Identity and time

Publication numberOT-2026-000074113 · never reused
Internal UUID01a0ae93-7177-791f-aeb9-0d53699e6c40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074113
StatusPUBLIC

Content hashes

Canonical text6d1b3f68b3c889645287aaba82340b4b13fec0169ff57306b7576ab10061a965
Markdown18a4b36b61d13010d6eacfad5e0f5dee34ad2faa7b526bb692acd4638dbefe39
PDF
Publication page6018434ac6d0c28a57d157da7f9d4ce706140aa6831693290e84a9557cc5a45f
Manifest7f557aa1e2c3e7c7410e01a7c389a89d92f553275d24957176698ff5b6678b24

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
SignatureeV9bye6WgcMk99kbJIVxRw2FMwVLdICZyLJMzVZlKny8+I4LDFaEf1eGLvDI56tE43BmeqTn8ir7iFw5k9ciAA==
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

2026-09-17T10:18:57.038616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074113
observed 6018434ac6d0c28a57d157da7f9d4ce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.019705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074113/manifest.json
observed 7f557aa1e2c3e7c7410e01a7c389a89d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.000431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074113/publication.md
observed 18a4b36b61d13010d6eacfad5e0f5dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.983493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074113/publication.txt
observed 6d1b3f68b3c889645287aaba82340b4b...
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.