OpenTechnical

OT-2026-000099538

Publication integrity record

Foam pad vacuum gripper, four zone face, six 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-2026-000099538) never changes.

Identity and time

Publication numberOT-2026-000099538 · never reused
Internal UUID01a0aea2-c975-7742-aef1-c3a1c89dc5d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099538
StatusPUBLIC

Content hashes

Canonical textfd917e17c4e0e8806f852e2d3fadd9a0d573bdc31a9884922bc65e6291619f10
Markdown687dc0938705ea2e720e22fde225cb2cbf551c98527422f8d5a6a0ed186fa650
PDF
Publication paged7259c58821cf18a82e200269e497fcaac5fd380e852b4de61fcb9c5c353847d
Manifestc5a755af33b69ba69c1b1f2322be9a4a41fbc515faefa7030738509bc46ab520

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
Signature6BFOkeVAGi/qJtekJbTiLp1F9Z9unPoa+LSUTfMKE0UYedA1t5vrkSVRKwlBesdyw+8Wc1rUnLUY4HikZJPUDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:26.486143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099538
observed d7259c58821cf18a82e200269e497fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.467532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099538/manifest.json
observed c5a755af33b69ba69c1b1f2322be9a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.449222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099538/publication.md
observed 687dc0938705ea2e720e22fde225cb2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.431580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099538/publication.txt
observed fd917e17c4e0e8806f852e2d3fadd9a0...
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.