OpenTechnical

OT-2026-000072407

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000072407) never changes.

Identity and time

Publication numberOT-2026-000072407 · never reused
Internal UUID01a0ae92-89d7-7044-b95e-26a6bab0aec7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072407
StatusPUBLIC

Content hashes

Canonical text42ee523f111f8ccb747de56b08373778a5f48ab87063ee9c57a2b0b7806a045d
Markdown65eda67b5fb740a75655120b987347f83d2ddfe9fef89e2c02961206fa979ef1
PDF
Publication page0761d6106a4cefd6b376563e78b88b7b8dfafecce5688660bf80baa330d377ee
Manifest05794578e530975739061b387ce2531292250c9630552bff6c3ac0556ba47486

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
Signaturel5ZqxLDVmaNpPnLp3LXPGXLKN/4H8KCh2GqmQaC+/VUUBa6Jen0z05Zxy5tSMSKIL4S7R/AiqtGN/NjAaMyeBw==
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

2026-09-17T10:22:13.250683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072407
observed 0761d6106a4cefd6b376563e78b88b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.234405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072407/manifest.json
observed 05794578e530975739061b387ce25312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.217214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072407/publication.md
observed 65eda67b5fb740a75655120b987347f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.199301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072407/publication.txt
observed 42ee523f111f8ccb747de56b08373778...
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.