OpenTechnical

OT-2026-000055797

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000055797) never changes.

Identity and time

Publication numberOT-2026-000055797 · never reused
Internal UUID01a0ae87-0a49-706a-ba07-3d1e5c197ae7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055797
StatusPUBLIC

Content hashes

Canonical text759ddbbcaf50ee2d22bae5d505818331df333a0a26fd81a579a7d9544cf2828a
Markdownda58d7a4d6af51236cc53f057b0894cd6fd439bdffd3cdb3c7b3e48e0c3d63c0
PDF
Publication page473d8e13896127f5a2f55904519cc055416800048780b20bdc16f49a490fd159
Manifest6c33a53a5ba833778a021851a420a2c3d4dfd9533a7dd860b8901efa259d70c4

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
Signature6cSiROBcpe0r7Uf1F+IfC7sGnYYA3Ctebqp9DOhdDOIM7wlPH7Wq9X1RxSgqqLO4i+/7zvRJDeks9IaMNbDNAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:10.309718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055797
observed 473d8e13896127f5a2f55904519cc055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.291479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055797/manifest.json
observed 6c33a53a5ba833778a021851a420a2c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.268289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055797/publication.md
observed da58d7a4d6af51236cc53f057b0894cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.248089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055797/publication.txt
observed 759ddbbcaf50ee2d22bae5d505818331...
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.