OpenTechnical

OT-2026-000042621

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000042621) never changes.

Identity and time

Publication numberOT-2026-000042621 · never reused
Internal UUID01a0ae7a-c0ce-7ba0-aeab-85df4e92415d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042621
StatusPUBLIC

Content hashes

Canonical text66b72f60cd9299401d27a6dc1e869254cff0cdad915be46562bd9204097ef23b
Markdown46516c6f274ed5ceb9ad194559ca4f5d4eca036fbc32e294f95cec0210c67d5d
PDF
Publication page2ca17abef399cd8cb4425e084cc6e805c00ab6c64a3ef5876f71cf0186cbf946
Manifest96d1eaba0264a9de4dee22a4093c8221008679d9976633456a87839129940076

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
SignatureUyIGkI2llawI17ydKn2oqq+UDps4lizE7aVwRUXaBWHEKYy0qyhz1HsIh4qdctGGQ95+eoI9EM9B0NfUibDIBw==
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

2026-09-17T11:14:21.134889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042621
observed 2ca17abef399cd8cb4425e084cc6e805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.116581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042621/manifest.json
observed 96d1eaba0264a9de4dee22a4093c8221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.097125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042621/publication.md
observed 46516c6f274ed5ceb9ad194559ca4f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.075474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042621/publication.txt
observed 66b72f60cd9299401d27a6dc1e869254...
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.