OpenTechnical

OT-2026-000069587

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069587) never changes.

Identity and time

Publication numberOT-2026-000069587 · never reused
Internal UUID01a0ae90-b52b-7b29-9edd-e6232f840625 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069587
StatusPUBLIC

Content hashes

Canonical text6f5a61d7322caac0d1bc22050ba7dfa77f2db52a0022cbfe316e6d5e9ac7db40
Markdownede9bf6ea2be6ca15411073fb1d36bcceb799bfc41df69537a0d054e5d4d31bf
PDF
Publication page0f3def73a0626d5912f6a44ad077d4b831e2d425f1f5ce731fc5a7ee96ce8582
Manifest1b650a3542c95751208b9a4eeab399253f17f80ec5297c036e9aa49bc944b26d

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
SignatureJjhxhtQS8O1VmXdofPHfao90PbcLFkBhm+PGrlXrBIECqvNMUDYWobgwJf19CB9x9JjwQYDKYjMraA37TV2RBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:14.674754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069587
observed 0f3def73a0626d5912f6a44ad077d4b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.657312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069587/manifest.json
observed 1b650a3542c95751208b9a4eeab39925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.639447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069587/publication.md
observed ede9bf6ea2be6ca15411073fb1d36bcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.621863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069587/publication.txt
observed 6f5a61d7322caac0d1bc22050ba7dfa7...
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.