OpenTechnical

OT-2026-000078980

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000078980) never changes.

Identity and time

Publication numberOT-2026-000078980 · never reused
Internal UUID01a0ae95-ccbe-703b-b5aa-261e9f845bb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078980
StatusPUBLIC

Content hashes

Canonical text3b30fb7da4a745dc627542f81c7cfb525baa9c7e0844cbc82b8370c896f8fdc4
Markdown58a99075fb1b66425adde87e376a5781f125bcfdb2919cd11826dac5b80046c1
PDF
Publication page60d75ca2501f6ba46ef176a38bda17a952254629ba8fb664d6bf26078dbc950e
Manifestc64ff81e59e7bd3b995f69453def7af903ff900d183cf7da34f975f2a6c5ff24

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
SignatureIxSRUcgnESFEjJBRsWmCY6+sqsXHzZyzwGf4d8ODGtS7kCgsWZbgn7AXU9UmwyqrSJJkEnQk/HO7NsgBnnHGCg==
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

2026-09-17T10:05:48.503291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078980
observed 60d75ca2501f6ba46ef176a38bda17a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.482988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078980/manifest.json
observed c64ff81e59e7bd3b995f69453def7af9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.463165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078980/publication.md
observed 58a99075fb1b66425adde87e376a5781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.444142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078980/publication.txt
observed 3b30fb7da4a745dc627542f81c7cfb52...
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.