OpenTechnical

OT-2026-000033983

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000033983) never changes.

Identity and time

Publication numberOT-2026-000033983 · never reused
Internal UUID01a0ae75-df0b-7c14-bfd1-843597293abf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033983
StatusPUBLIC

Content hashes

Canonical text2f30f09cd2cf9b7cc0bddcc1a82fd3970c439ea8e5ef8d2d643572f67b51e5c6
Markdownab2ab9cf76191dceb84380bc2415371c495a14aa148b87651df8eda8a94c68ea
PDF
Publication pagee8469744e2bdaf068d34672434f861a0ad90c98150ef4b3e636b58b9c16e43ec
Manifest18340d59db2662e18e36720f215f1687499a0cc7ec3c8dc050a0bd96ff0296f6

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
SignatureJPZ3gbcpnoy35Uzzdw4h8MuiB3QBMmG3ZHWN7N+npjdLzqDnXkv+mny21j+1Q1XbbDzq3EI20MQRqBMNcm2CAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:07.175781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033983
observed e8469744e2bdaf068d34672434f861a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.156006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033983/manifest.json
observed 18340d59db2662e18e36720f215f1687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.133041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033983/publication.md
observed ab2ab9cf76191dceb84380bc2415371c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.108645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033983/publication.txt
observed 2f30f09cd2cf9b7cc0bddcc1a82fd397...
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.