OpenTechnical

OT-2026-000088243

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000088243) never changes.

Identity and time

Publication numberOT-2026-000088243 · never reused
Internal UUID01a0ae9b-1aa9-71b5-8c95-f7f307875f96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088243
StatusPUBLIC

Content hashes

Canonical textbfda1ea9e1bb66d759f603ec776c855c4fcf5dfaee561dd28455a7bd8b0c9ea1
Markdownb39214c3459a7593954a4966154ab4a6eea3cf5ba2e19eda3aa9d9f54414bfbc
PDF
Publication pageb3d6afc7d10ca7384cc13af4723fa0743913683096ca213c90de75e4de82c578
Manifesta5d7a5bbe8cac483f7d6c4ce84fe5cb5970871ad93e240f11da0e646a9f900e9

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
SignatureOagUYN5GInN/49Oo71uwJHr/Bot9gs64ZthCwKNcv1hp16Y5t0G+Su0jrhgzoNNBOWVO44dy6/RtORoN5h61AA==
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

2026-09-17T09:50:20.890081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088243
observed b3d6afc7d10ca7384cc13af4723fa074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.870971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088243/manifest.json
observed a5d7a5bbe8cac483f7d6c4ce84fe5cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.848540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088243/publication.md
observed b39214c3459a7593954a4966154ab4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.829313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088243/publication.txt
observed bfda1ea9e1bb66d759f603ec776c855c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.484342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088243
observed b3d6afc7d10ca7384cc13af4723fa074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.467210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088243/manifest.json
observed a5d7a5bbe8cac483f7d6c4ce84fe5cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.450094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088243/publication.md
observed b39214c3459a7593954a4966154ab4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.433161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088243/publication.txt
observed bfda1ea9e1bb66d759f603ec776c855c...
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.