OpenTechnical

OT-2026-000013867

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000013867) never changes.

Identity and time

Publication numberOT-2026-000013867 · never reused
Internal UUID01a0ae6d-8de9-7ad2-88ad-341e56eca013 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013867
StatusPUBLIC

Content hashes

Canonical text49030b244b2c74a6dacec8c8f0f60a925fd5499dbb0bcdfe1114b7010b033c38
Markdown96d526d9a8f7775fd6d521ed1e1d6f545e015a0309879d5b08df39f394da8f9b
PDF
Publication pageba4ba9bd22cfa48d57f1ea35c90f1889b09b009a194425e4f36951cb158e938b
Manifestcedc8eb5fd70cf4869462491aadd187490f3e53bea154e6e9aff3cf3b4f839a3

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
SignaturebEHJRcWUN/VIAR8aCIS5Y9P4gyo8eaJ/cjadPe/0rR39dRGyu7U+5BV9tCq/foRP1Bz/keaq3GreTgny5gutDg==
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

2026-09-17T12:08:58.877493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013867
observed ba4ba9bd22cfa48d57f1ea35c90f1889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.855449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013867/manifest.json
observed cedc8eb5fd70cf4869462491aadd1874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.836271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013867/publication.md
observed 96d526d9a8f7775fd6d521ed1e1d6f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.815826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013867/publication.txt
observed 49030b244b2c74a6dacec8c8f0f60a92...
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.