OpenTechnical

OT-2026-000061090

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000061090) never changes.

Identity and time

Publication numberOT-2026-000061090 · never reused
Internal UUID01a0ae8b-137d-78eb-8883-525a6aaaa687 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061090
StatusPUBLIC

Content hashes

Canonical text555e8cb4ef09e8390d025ece72d36b8ce3349b59c7a9447bb4665848da82c384
Markdownbcf798f67e1a69cae5e4c3c12ab26685490570e3e68f0e42c360bc0149dcb4da
PDF
Publication paged1e72344b05ea739bf2b98f4eb730dce45871ef9c99a1b260af77f1cc989984b
Manifest9ec0e37828a8f43a3f0ed1e59e83964845151df345b6a1617e5efb6a93691e4e

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
Signature4vsjG8JSs37WopwKnohuqjQEDL+h/suZTGwMxmAU3eDG6U1wopD4arbkXorZaH/1d11IQSTBn2Ls0qtGbraZBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:27.368697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061090
observed d1e72344b05ea739bf2b98f4eb730dce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:27.348611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061090/manifest.json
observed 9ec0e37828a8f43a3f0ed1e59e839648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:27.330128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061090/publication.md
observed bcf798f67e1a69cae5e4c3c12ab26685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:27.310295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061090/publication.txt
observed 555e8cb4ef09e8390d025ece72d36b8c...
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.