OpenTechnical

OT-2026-000012558

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000012558) never changes.

Identity and time

Publication numberOT-2026-000012558 · never reused
Internal UUID01a0ae6d-39f7-7a79-ba5f-6fe5fcc64b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012558
StatusPUBLIC

Content hashes

Canonical text27adc80d5146296a8d768508936810e6361576b3fd60a306be1d6ee580d49db4
Markdown6ed6ac21aa0d1970e270ff098fbcfc0a2ef44b6f2d95066cf6126289a6ad3b08
PDF
Publication page343bd8e90dac1ce1ed68db4e91f997e981d8b054fe4647a7674dea0fa1b9f770
Manifest6d9ba47fc6f5fbf9a5d4c182e542eaf8a6e54985ca089595d99a27ba15cfbcba

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
SignaturexdePHN+2FRwrtNsyGapxUB7uoqV74+sSLiW3pww3Ibt526QQdlaBOLixwVK1aRU6rFnbQ1Wcpj+Kk3+phnh1CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:06.315870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012558
observed 343bd8e90dac1ce1ed68db4e91f997e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.296206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012558/manifest.json
observed 6d9ba47fc6f5fbf9a5d4c182e542eaf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.275542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012558/publication.md
observed 6ed6ac21aa0d1970e270ff098fbcfc0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.256342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012558/publication.txt
observed 27adc80d5146296a8d768508936810e6...
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.