OpenTechnical

OT-2026-000055689

Publication integrity record

Two cup vacuum gripper, two 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-2026-000055689) never changes.

Identity and time

Publication numberOT-2026-000055689 · never reused
Internal UUID01a0ae87-09c9-7406-9bb1-016c2f148c0e · 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-2026-000055689
StatusPUBLIC

Content hashes

Canonical textb22155d4e9534c08175ec6551427beb00f873abaf6c1c26c3c30c2484d7d108c
Markdown6b1f6875f163ddf813168e2c598c9e9e8d099e20be7c7beb07eb574a3cfa634a
PDF
Publication pageb25e360b98dfcfbdfd6b985ceb230616007ca9509bad63ba5da0027e31922803
Manifest7bd898ae73f9d2ad90695c45ee391e30b12705a288a19e4065c3ad6578b3c2c3

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
Signature0bpIXPp3E4F1JYS+wmVY0KwRIMUFyxe6jcVqDcBajBaInGJN+yADsTpnPl0sXC7LRV5wfvoQwwfgXSiIjMx9Cw==
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

2026-09-17T10:51:00.808035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055689
observed b25e360b98dfcfbdfd6b985ceb230616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.790253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055689/manifest.json
observed 7bd898ae73f9d2ad90695c45ee391e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.771910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055689/publication.md
observed 6b1f6875f163ddf813168e2c598c9e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:00.754255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055689/publication.txt
observed b22155d4e9534c08175ec6551427beb0...
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.