OpenTechnical

OT-2026-000074335

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000074335) never changes.

Identity and time

Publication numberOT-2026-000074335 · never reused
Internal UUID01a0ae93-7179-7dcf-b596-aca96c374c12 · 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-2026-000074335
StatusPUBLIC

Content hashes

Canonical textb5d3651aa03518622e2f2b614e6936ea116f72c1137687252769082ee7dc9a1b
Markdown5f6de72ff0589e573d2dc31ebb6c49799185bd508f19cd1c6e7181396fdd14ae
PDF
Publication pageb440de59c0cd3f7f51697af4272a71ddd6d291af932f75360c3160ec4095af44
Manifestb8438265f148128df456556f9c6580c20b3c6a827382b89aead38e1430b08caf

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
Signature7PtW6Bz9TiHoIQFyB+Vm2s8chFGArtUDEFTPC7xT/eK4NtptFVzoaQ+ZWkhc8zlghL3ZPncTKn3LYsYbu7iyCA==
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

2026-09-17T10:19:15.315408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074335
observed b440de59c0cd3f7f51697af4272a71dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.297931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074335/manifest.json
observed b8438265f148128df456556f9c6580c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.279757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074335/publication.md
observed 5f6de72ff0589e573d2dc31ebb6c4979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.261896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074335/publication.txt
observed b5d3651aa03518622e2f2b614e6936ea...
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.