OpenTechnical

OT-2026-000031526

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000031526) never changes.

Identity and time

Publication numberOT-2026-000031526 · never reused
Internal UUID01a0ae74-87ae-762f-b2e4-7ff71788d898 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031526
StatusPUBLIC

Content hashes

Canonical text94d86c89c91e6ae4ab7c3ff1c1081b4eef7a17ed28232071a698576b9771d144
Markdown70d0e41374399bccac41938b4577c38145bcad3b67254324368cafe169354849
PDF
Publication page0229055f4272f5c319d7387dd4e8ae9653dc9418cc791bdb7cd009dbf351434d
Manifestc0432010d3262f5df0f4caf6017f4ad78b2caf086bd7489aec4b8d700d128191

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
SignatureVl0i2Q0kgXWt4QYC4FFB2zGTFDcHPWny4i1mXqSOpez/WGZNm/RNIdIyXp71ebe10MUXOrAR7xukaarWkqZuAg==
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

2026-09-17T11:36:21.837172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031526
observed 0229055f4272f5c319d7387dd4e8ae96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:21.818780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031526/manifest.json
observed c0432010d3262f5df0f4caf6017f4ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:21.802427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031526/publication.md
observed 70d0e41374399bccac41938b4577c381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:21.785041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031526/publication.txt
observed 94d86c89c91e6ae4ab7c3ff1c1081b4e...
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.