OpenTechnical

OT-2026-000081239

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, sustained 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-2026-000081239) never changes.

Identity and time

Publication numberOT-2026-000081239 · never reused
Internal UUID01a0ae96-f373-767a-8699-f37f3ef7ec4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081239
StatusPUBLIC

Content hashes

Canonical text1a3b07d3222c22c341cd2f469486af6bdff237616fb4582c97f3da343730302d
Markdown6dad4f12d4bbdfb9cc8a7b0f5663cbaeab0d373aafbfb3b3526c7e3780a81c96
PDF
Publication page4c17adc9e53ded190d4885cf65349e68b6695fe907e1e95058fb1d969de16afc
Manifestbc458298dd0a444c2429755d81fd2767ba0c5d13ecbaf5e0aa37afa378742843

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
SignaturesBlkq8khCotq53rja8mIZxJXRrbCVfjnAl9tULu8hYMbe0toUzXt1OVVSVGF733WLJ0lCX6z7uaZTWFUKwDjAA==
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

2026-09-17T10:01:19.663619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081239
observed 4c17adc9e53ded190d4885cf65349e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.645326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081239/manifest.json
observed bc458298dd0a444c2429755d81fd2767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.626985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081239/publication.md
observed 6dad4f12d4bbdfb9cc8a7b0f5663cbae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.609030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081239/publication.txt
observed 1a3b07d3222c22c341cd2f469486af6b...
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.