OpenTechnical

OT-2026-000083977

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000083977) never changes.

Identity and time

Publication numberOT-2026-000083977 · never reused
Internal UUID01a0ae98-0419-7b5e-8385-daf91b7be2e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083977
StatusPUBLIC

Content hashes

Canonical text3a974c66dbf289b53fd83cc7a9481e963e1acdde55ddf8fb2cddada4e07f694a
Markdown5c2bf5b26216c1f3058af2e27309a2d9051bb96f8aba14f57426ce7f3be1d506
PDF
Publication pageb4a178ae9a65484c8e8ac90db459079d3e92820c8467414a3cbc735df6613ed4
Manifestaa1285a21948c1a3140e389a77958387c741dc9340bcbf16b52030d43e504c49

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
SignatureZBera07yK8ib+f9/KgpFksvdQehkhuJHtlvcNpJIuu3DWXIFIBonxjxiKuNbIoZBIebXc4K00iDrscJOnZQCBA==
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

2026-09-17T10:00:30.433932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083977
observed b4a178ae9a65484c8e8ac90db459079d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:30.416668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083977/manifest.json
observed aa1285a21948c1a3140e389a77958387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:30.393299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083977/publication.md
observed 5c2bf5b26216c1f3058af2e27309a2d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:30.371805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083977/publication.txt
observed 3a974c66dbf289b53fd83cc7a9481e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.847910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083977
observed b4a178ae9a65484c8e8ac90db459079d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.831892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083977/manifest.json
observed aa1285a21948c1a3140e389a77958387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.816306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083977/publication.md
observed 5c2bf5b26216c1f3058af2e27309a2d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.801373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083977/publication.txt
observed 3a974c66dbf289b53fd83cc7a9481e96...
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.