OpenTechnical

OT-2026-000089614

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089614) never changes.

Identity and time

Publication numberOT-2026-000089614 · never reused
Internal UUID01a0ae9c-1a21-73fb-a536-f56432958b8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089614
StatusPUBLIC

Content hashes

Canonical textd7fa0d7cc476363c7cedeee4acaaf0523e7acf8fe0de7ead0ec78a70315cc2a9
Markdown608e3a922286efb11b510f784ce0e683500c73f5b1cbab21188f00c41a359d2e
PDF
Publication page316c45796693682484bf7e4a245982131993de9de4bb0cdab1cb43924ce3c30e
Manifestf9185a4291851d147ee7697daccb0ee3cd886d8d1352666bafd64be33113c9fe

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
SignatureYAZ3aJVo2nw/85CfQaNj0odLS4QzixG2/xW/R396OzxGbIXl14MOkQ4BPOIPUWuINl1iLZNiV/orJpExxi2vBw==
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

2026-09-17T09:46:35.790315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089614
observed 316c45796693682484bf7e4a24598213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.756038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089614/manifest.json
observed f9185a4291851d147ee7697daccb0ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.738866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089614/publication.md
observed 608e3a922286efb11b510f784ce0e683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.711568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089614/publication.txt
observed d7fa0d7cc476363c7cedeee4acaaf052...
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.