OpenTechnical

OT-2026-000068450

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000068450) never changes.

Identity and time

Publication numberOT-2026-000068450 · never reused
Internal UUID01a0ae90-2481-7a8e-9e65-7edf4e24a493 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068450
StatusPUBLIC

Content hashes

Canonical text17934f336a4ba66e0668c9a558edfaa9426d5d55f7a9301681382a15ea7c6f7d
Markdown196174205dbdcaf43a55e62927d1ae097d73d8a51f829a6d88cfa6291bafc1d4
PDF
Publication page3623cd2c5de1681251d4ba60a8a9967e9744655c8d4190803792b6d363a30101
Manifeste5655b1885d98f38c40994f496e5aa9e7344d39a5c7a996b0af0ad333b3d1ef9

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
SignatureMfDVcExZqoMHOEIspBUKA4AMfNoFW8/NN8LAPG8dQ3aiTRsvcAQdhKkCgUHGUodNHmBukAPULqM+CmB01EdmDA==
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

2026-09-17T10:29:35.753321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068450
observed 3623cd2c5de1681251d4ba60a8a9967e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.735810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068450/manifest.json
observed e5655b1885d98f38c40994f496e5aa9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.715908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068450/publication.md
observed 196174205dbdcaf43a55e62927d1ae09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.699203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068450/publication.txt
observed 17934f336a4ba66e0668c9a558edfaa9...
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.