OpenTechnical

OT-2026-000033975

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000033975) never changes.

Identity and time

Publication numberOT-2026-000033975 · never reused
Internal UUID01a0ae75-df0b-7635-951d-f87ffa2f7784 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033975
StatusPUBLIC

Content hashes

Canonical text8e6ba4138110c72906c70e1c1a090e1f9fb1b858da984cde79b50c4ac1b3832b
Markdown6cab690f79608d0d33405d1647e2ce2f0af016787ffb92b1de3f112c720d7931
PDF
Publication page797f52c3b733208ae8ad0fc8820531fa9abe0e5a250ab6e284d9870eefc59abd
Manifestf81c64980a3c4e37316d333b6f613d583788849881fd68e7149366c99475e272

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
SignatureNWNL1TypAJ/442r7aqmXyadkRsbgWYsw+Tw95hrevTbP4BnCaSzK3ew9l+u8u3j0f0yEQ2hSSsgkow6Rj3yYAQ==
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

2026-09-17T11:30:06.515599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033975
observed 797f52c3b733208ae8ad0fc8820531fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.500337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033975/manifest.json
observed f81c64980a3c4e37316d333b6f613d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.478621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033975/publication.md
observed 6cab690f79608d0d33405d1647e2ce2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.450185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033975/publication.txt
observed 8e6ba4138110c72906c70e1c1a090e1f...
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.