OpenTechnical

OT-2026-000055675

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000055675) never changes.

Identity and time

Publication numberOT-2026-000055675 · never reused
Internal UUID01a0ae86-a103-7271-a36a-042249fec6a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055675
StatusPUBLIC

Content hashes

Canonical texta1513879f1634fd74af0adc3a61818f63799ab38983192479e88a074f347ee02
Markdownf1e434859dae78fe38fa8b7a415ab180ec7596b7b911f4c5e379191b2e2074a6
PDF
Publication pagef50ae4476edbb3523030c01a0cefe3707507789326ee0e0b302ac2326eaab871
Manifest7a6712290d0145bf7f5d52d10ba7d9861e166275d3e3bf340e851b704a69cabf

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
SignatureErztuAOrpEqyzuBxxi4CtYAFF46lg3QzIL9kbHo/kqu+zyop17f9dRDNScvCW6NHrmKjJMz7MCW55eRdn/FyAw==
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

2026-09-17T10:52:56.351499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055675
observed f50ae4476edbb3523030c01a0cefe370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.333968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055675/manifest.json
observed 7a6712290d0145bf7f5d52d10ba7d986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.316181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055675/publication.md
observed f1e434859dae78fe38fa8b7a415ab180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:56.296512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055675/publication.txt
observed a1513879f1634fd74af0adc3a61818f6...
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.