OpenTechnical

OT-2026-000098779

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000098779) never changes.

Identity and time

Publication numberOT-2026-000098779 · never reused
Internal UUID01a0aea2-42af-77b5-a0ea-96cefd1731b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098779
StatusPUBLIC

Content hashes

Canonical text83a281f0ff3e57130b072aea0ba7132a53e5332de362472ab59b315b4c40c87b
Markdownaf1db84d5fa74062f7f1f89ae1a95e0280ea85df6cbcf05ea1bd8dc4721c59fb
PDF
Publication paged658610b93840f5a36314e0484d2cac243d01d3927d9ee4c2a29b6f30964c2ac
Manifest44ce427f407c0c85cd32cf8334fdab9793521c2a8c1cad82facbaa6c518ef484

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
Signaturec5RXNXj5DX1XCEsC+2TJOwWYjk32ZjJtmuiCG04/ToFXbQHLA7tabLmKJVvkZYX19C3bX02lVs38HnSU5PtmBA==
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

2026-09-17T16:42:20.983836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098779
observed d658610b93840f5a36314e0484d2cac2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:20.852521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098779/manifest.json
observed 44ce427f407c0c85cd32cf8334fdab97...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:20.689339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098779/publication.md
observed af1db84d5fa74062f7f1f89ae1a95e02...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:20.400436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098779/publication.txt
observed 83a281f0ff3e57130b072aea0ba7132a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.184524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098779
observed d658610b93840f5a36314e0484d2cac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.167877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098779/manifest.json
observed 44ce427f407c0c85cd32cf8334fdab97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.146853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098779/publication.md
observed af1db84d5fa74062f7f1f89ae1a95e02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.129149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098779/publication.txt
observed 83a281f0ff3e57130b072aea0ba7132a...
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.