OpenTechnical

OT-2026-000069229

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069229) never changes.

Identity and time

Publication numberOT-2026-000069229 · never reused
Internal UUID01a0ae90-b528-7aee-8a16-ce69833a12c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069229
StatusPUBLIC

Content hashes

Canonical textb46fa44e4603c991b0842cd7d0d3e1fd62ec0a10d78902e2b445aae066bc1522
Markdowndc9476400b58fed3181904ace98913c14d991add9c06311342a05fb039ad7702
PDF
Publication page4e2a10b0a55e7667da3591b4a5985da95a0c396f6fa477e5c64e0eb318648e9c
Manifestce50632d529971d66156eef88fb23f194095c556ccdbd31fa5d236f0e4ce07e1

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
Signature7OzkD0wLUWQIkBNkLhixK8AbYsNyMCP20IMWl+ga54uGdSIBMqH0BIOQzQX7tfJZZIxKR0LzoL1sgJ9QDsGMAg==
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

2026-09-17T10:27:17.800392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069229
observed 4e2a10b0a55e7667da3591b4a5985da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.781545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069229/manifest.json
observed ce50632d529971d66156eef88fb23f19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.764846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069229/publication.md
observed dc9476400b58fed3181904ace98913c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.746518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069229/publication.txt
observed b46fa44e4603c991b0842cd7d0d3e1fd...
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.