OpenTechnical

OT-2026-000085448

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000085448) never changes.

Identity and time

Publication numberOT-2026-000085448 · never reused
Internal UUID01a0ae99-aaab-7423-9ec9-9cf66dc95cdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085448
StatusPUBLIC

Content hashes

Canonical text0be2a77ea5ff018343604f943b3151ff95633384fcb149d6441f4d60a59c69c0
Markdown06dfb580ec5d7b9327fd1c60da6ca5f5edf3cbb9c6f85a548366ef43035cfa1b
PDF
Publication pagece21e85d06460641fab854dbb7558c8953b9e1caf11a2193ddfa7df19d68c61b
Manifest7f336d6588b7eababecbb35b8ca0cc0468247ed339dd90b70da0162545543d28

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
SignaturedtcL3P6lIPOhT7Y2H8uahJ7RXjh19P/OVPAgYywCFE+odtb2nKyJAokyrkq9WaSmD2IyiFyrOOBsrrcFSuO1Cw==
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

2026-09-17T09:54:14.133611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085448
observed ce21e85d06460641fab854dbb7558c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.114606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085448/manifest.json
observed 7f336d6588b7eababecbb35b8ca0cc04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.096868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085448/publication.md
observed 06dfb580ec5d7b9327fd1c60da6ca5f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.079580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085448/publication.txt
observed 0be2a77ea5ff018343604f943b3151ff...
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.