OpenTechnical

OT-2026-000055738

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-2026-000055738) never changes.

Identity and time

Publication numberOT-2026-000055738 · never reused
Internal UUID01a0ae87-09cb-704e-9252-5f87b790ccf5 · 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-2026-000055738
StatusPUBLIC

Content hashes

Canonical text54686db056fd65298ff6c1678a1b7addf6a3e750919933f10ec86ac473407373
Markdown08b69e4521a56a1ff5c729ead5c7dd319cf7bf6ea310d5ab6b15feece09c16d3
PDF
Publication pagedcf0036276d26f0ae1e8da69ddc832dca3dc5a2fc6402a386bc5a7aee40345a4
Manifest465d907d02c848825184a7db15b28d74358c1991bead1b43f79fb07be3c81519

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
SignaturebL3EtRVaRcJ6lyBhhYST6amctylAynay0cMjbcWnFgO8GuMvxyoZTDL1BgSfb5oDoURuGtnwTfPL82fE1nKcAg==
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

2026-09-17T10:51:05.057175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055738
observed dcf0036276d26f0ae1e8da69ddc832dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.037992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055738/manifest.json
observed 465d907d02c848825184a7db15b28d74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.019272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055738/publication.md
observed 08b69e4521a56a1ff5c729ead5c7dd31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.001152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055738/publication.txt
observed 54686db056fd65298ff6c1678a1b7add...
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.