OpenTechnical

OT-2026-000100604

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000100604) never changes.

Identity and time

Publication numberOT-2026-000100604 · never reused
Internal UUID01a0aea3-66f2-7bbf-a5b2-3171c974d28c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100604
StatusPUBLIC

Content hashes

Canonical text7f09a9e6ef0dfc52326cc5b15a386a60e357b81c58f4a26517c2b4fb73389275
Markdown556626fab67bd2dddcc0cd00d08b66e3f81c54323809fc4103a1f0ab98accdf0
PDF
Publication pagef75d71fe23b9c915d71d44e06dcf5e050dad9cd6255295ca35f3a2ece6cc926e
Manifest8049e2a8b1075fa8f90c9ff42dd327ee953892a930af7e234aa4c6a4b940c986

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
SignatureFjYP9t3HXSRE9Hp5PqLrfyD46yTgKgf4JO95vnY6E2/XIxLrrgrC3mL/6ULazObXK+5f+fTdjCuhMQwwBdgMDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:23.697362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100604
observed f75d71fe23b9c915d71d44e06dcf5e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:23.679895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100604/manifest.json
observed 8049e2a8b1075fa8f90c9ff42dd327ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:23.661309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100604/publication.md
observed 556626fab67bd2dddcc0cd00d08b66e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:23.641144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100604/publication.txt
observed 7f09a9e6ef0dfc52326cc5b15a386a60...
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.