OpenTechnical

OT-2026-000018916

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000018916) never changes.

Identity and time

Publication numberOT-2026-000018916 · never reused
Internal UUID01a0ae6e-d522-7f25-8f9e-5891b8e630f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018916
StatusPUBLIC

Content hashes

Canonical texte1db1c51b2f8871c9b579e1b81d6cc817d9d59c8b430ac4dfef9dfb5b731b0e0
Markdown914e9c190a7f009144cc45c78f8d4b65319a0eb7878811f8edda42a11630a409
PDF
Publication pagee9d12cab2c1d1998263af4944690089d22d669043e172e1e1e504007e9383321
Manifestb1b2ac271cbd64040016edb02948ea5d935265d481f819e94476f4f0ba6420e5

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
SignaturewP2GmhZ66yMHtNLfksZI4pOiMCVY4pd2ekASBbsDyQQvN2MtRjpoGbY36X8teGg4L77tnAzl1fmNGSAjVIm2AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:59:34.548518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018916
observed e9d12cab2c1d1998263af4944690089d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.530706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018916/manifest.json
observed b1b2ac271cbd64040016edb02948ea5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.514130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018916/publication.md
observed 914e9c190a7f009144cc45c78f8d4b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.496457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018916/publication.txt
observed e1db1c51b2f8871c9b579e1b81d6cc81...
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.