OpenTechnical

OT-2026-000068569

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000068569) never changes.

Identity and time

Publication numberOT-2026-000068569 · never reused
Internal UUID01a0ae90-2482-729c-aa81-bb29e20d60e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068569
StatusPUBLIC

Content hashes

Canonical text47246ebd8b175542fabcecd5f8d9269cc8231a7083657227ef0e5c2abd6e20e1
Markdown30a3e81caeb36fbbcd68afe6f8e9a3c7a3ac36b83703eede75994bfca38cc2c4
PDF
Publication pagef74958ff00d741d32c211a7b3c7358861c434716fa3a2d4ea8abf4c89cde9e67
Manifest35dcaf3b505bbe3d9d50df01cef25b518b11f6b269161ceb1f030bb3dc96acdb

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
SignatureKfIs4TpT+EriFQV7jdH4BZNtCoeHhDUNvX1RtjDFr69l1+oPzMi1yE/LaDb3bORdLZd5AH2vkNVvByI3CFmWBg==
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

2026-09-17T10:29:44.430602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068569
observed f74958ff00d741d32c211a7b3c735886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.408397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068569/manifest.json
observed 35dcaf3b505bbe3d9d50df01cef25b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.389523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068569/publication.md
observed 30a3e81caeb36fbbcd68afe6f8e9a3c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.370173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068569/publication.txt
observed 47246ebd8b175542fabcecd5f8d9269c...
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.