OpenTechnical

OT-2026-000074535

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, manifold 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-2026-000074535) never changes.

Identity and time

Publication numberOT-2026-000074535 · never reused
Internal UUID01a0ae93-717b-72ec-9b85-202f36188e81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074535
StatusPUBLIC

Content hashes

Canonical text8333d95c3d83212ee745512b7b74ed79f1267522338cadded5aa1c627c6fcbf2
Markdown5eb5f3b33d36ed99d7c4147496aeb44cde67708f42aa5ee9c94359921224902f
PDF
Publication pagecddb09eb4449354688065dca24dd4457a5326bf94d3f573ed677cda5a3db622f
Manifestbb94116e42c643e4ef49db483121e4c93984f6153c81feccfa13fbb35efec271

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
Signature18enfB0ESjdSeBdPq76SZbVgDPlCAJc6S2gE/cReGY9ymccpHg/dV/A93nV5g7txtwleIt9FskYB0nW1J58cBw==
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

2026-09-17T10:19:30.980543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074535
observed cddb09eb4449354688065dca24dd4457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.963223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074535/manifest.json
observed bb94116e42c643e4ef49db483121e4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.945839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074535/publication.md
observed 5eb5f3b33d36ed99d7c4147496aeb44c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:30.927044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074535/publication.txt
observed 8333d95c3d83212ee745512b7b74ed79...
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.