OpenTechnical

OT-2026-000100563

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000100563) never changes.

Identity and time

Publication numberOT-2026-000100563 · never reused
Internal UUID01a0aea3-66f1-7523-9637-a9a200cbe8d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100563
StatusPUBLIC

Content hashes

Canonical textcf5c29c2377fee1e378589084a50f08379b8137a575aa83859529d6616c1cb94
Markdowna57074c4ffb457708ef22f0d5cc64b9bf35ab50bef149b22f92deccac9fac02e
PDF
Publication pageaaffbc0ce54237af9910ad9a906c5d2e1829930407daac49a5baf9c45eac0d94
Manifest9040b7d366ba66362ba771a29c9b4f03a4601276be3486d4e8dd9fa9ea29cef0

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
SignatureHN+zVe4AamwRCvMnxhtolKiFgKEPF0x5iZi+Juz69Sk3MWPpnixgxM/mUcsbR37jYWZOs8HbVtY6YmN/a4NkDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:20.384219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100563
observed aaffbc0ce54237af9910ad9a906c5d2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.366226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100563/manifest.json
observed 9040b7d366ba66362ba771a29c9b4f03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.350070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100563/publication.md
observed a57074c4ffb457708ef22f0d5cc64b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:20.332480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100563/publication.txt
observed cf5c29c2377fee1e378589084a50f083...
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.