OpenTechnical

OT-2026-000007003

Publication integrity record

Vacuum cup gripper, ejector fed, contact triggered on the face, polyurethane cups, flat form

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-2026-000007003) never changes.

Identity and time

Publication numberOT-2026-000007003 · never reused
Internal UUID01a0a96f-30e5-79b3-98e2-fb22f76047dd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:57:11.656548Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007003
StatusPUBLIC

Content hashes

Canonical text7a7c6f2896cd477b368ebed68ccc5bcc67f0baa01222ce32852dced0435cbe8a
Markdown471c092cc8bb2321b9b213477aef4234900030ea21fd90a154e3327a4d2150ca
PDF
Publication page525183e0fa576f80be044dee481081af587ee58f08992c57551989370fa71a84
Manifest979becd5c6ad3737a890e5c49f8eb019b55ca682333871bdfc6ef4b9df7bd0fc

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
SignatureywfoTC0157RUGKvmMF/DLn+nVAL4w3RsqvfrVxBVXGooKwkfZ7TlWezVoXuT6NqZYxNUOXbh5tK8BgugS0TZBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:12.907239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007003
observed 525183e0fa576f80be044dee481081af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.892808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007003/manifest.json
observed 979becd5c6ad3737a890e5c49f8eb019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.877645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007003/publication.md
observed 471c092cc8bb2321b9b213477aef4234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.748272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007003/publication.txt
observed 7a7c6f2896cd477b368ebed68ccc5bcc...
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.