OpenTechnical

OT-2026-000055160

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000055160) never changes.

Identity and time

Publication numberOT-2026-000055160 · never reused
Internal UUID01a0ae86-5e82-7b67-9357-ed562e725d35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055160
StatusPUBLIC

Content hashes

Canonical text1785c1412132e48763f8fc71ffbe08aaab59efd68f2d24a1f0a9eacf2e94dd1d
Markdown58b3acfa464d06e3c7af77c7b1361f2456b02894032976458ea2f011f87c5b76
PDF
Publication pagebf4183d9ae64b12ceee0a84f88e998bf6923dc1aee6706d96869fb36a76f5c6c
Manifest2fedb22d38b648133334960fc0eca5e9f6fb8a0ae59ad454b892b7c2e6268f3e

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
SignatureSbUe2gWriekX+6MAWZn0R6jdxRHJfxqTPugJxuptuYg2Rou2WYHcBMl06s2+YJd7RgeOY2fBaPOp9JsmHeOpAQ==
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

2026-09-17T10:53:20.709467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055160
observed bf4183d9ae64b12ceee0a84f88e998bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:20.690778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055160/manifest.json
observed 2fedb22d38b648133334960fc0eca5e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:20.672658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055160/publication.md
observed 58b3acfa464d06e3c7af77c7b1361f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:20.653288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055160/publication.txt
observed 1785c1412132e48763f8fc71ffbe08aa...
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.