OpenTechnical

OT-2026-000055750

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000055750) never changes.

Identity and time

Publication numberOT-2026-000055750 · never reused
Internal UUID01a0ae87-09cb-7d96-b5a1-0295a9d3cfc1 · 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-2026-000055750
StatusPUBLIC

Content hashes

Canonical texta221c66c2acd09c2d9d7cf1a63b4df7048a9ef519431d3f169aa2ae7a117f6d2
Markdownb048aa7387aec3e729d47ca59c58d9112086607071c7c52a38132f153a51c738
PDF
Publication pageb1654b2bf37dd713115c4fcfbf819a574ae4e808e512ecc60a36b43b7e3c3ea7
Manifest323319b656d9da9ef0c839d9e631dcfdfed8bee2e5d9fc464b3bc572dd35173d

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
SignatureSYseQpec874x+Jyf+4gAzLrAuuCkC3PyLpO1V+YEgY5qNIR3iVAt3hpnykzywCbGi0rIJaNMdbAW7jew/Z6aDA==
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

2026-09-17T10:51:05.967268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055750
observed b1654b2bf37dd713115c4fcfbf819a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.949875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055750/manifest.json
observed 323319b656d9da9ef0c839d9e631dcfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.930764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055750/publication.md
observed b048aa7387aec3e729d47ca59c58d911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.910175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055750/publication.txt
observed a221c66c2acd09c2d9d7cf1a63b4df70...
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.