OpenTechnical

OT-2026-000072053

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000072053) never changes.

Identity and time

Publication numberOT-2026-000072053 · never reused
Internal UUID01a0ae92-47c1-7c78-8ed9-527f63ccab64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072053
StatusPUBLIC

Content hashes

Canonical text4f1768066d2b4f18a731b980ad6a1bfee25d7eb38d10fd50ac5a6bf00640ee59
Markdown82d0a19e13bda2ee45554bba1e735868311af55ab6d4fc074e440954bed13034
PDF
Publication page807003325dd57f49d43c826aadca9cb07f89f480869428e6afa49aef4ecc255f
Manifest59f4bfd0d677e4d52794a2d1a89080c645960399c18db561af2cea7df7d1c3e6

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
SignatureTFTo8Lg7NIx84GMdkratm4mV9K0LwVZciH810aEKupHpejeRvmLpPHj1FbX/ysfKxiYxtTZnQ3IDP3kPskwcDg==
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

2026-09-17T10:23:07.353682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072053
observed 807003325dd57f49d43c826aadca9cb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.336409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072053/manifest.json
observed 59f4bfd0d677e4d52794a2d1a89080c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.320073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072053/publication.md
observed 82d0a19e13bda2ee45554bba1e735868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.303715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072053/publication.txt
observed 4f1768066d2b4f18a731b980ad6a1bfe...
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.