OpenTechnical

OT-2026-000016521

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000016521) never changes.

Identity and time

Publication numberOT-2026-000016521 · never reused
Internal UUID01a0ae6e-2d13-75dd-ad91-547da8ce5329 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016521
StatusPUBLIC

Content hashes

Canonical text983d42d56148055dc61c396e1ce08d53985beb1a2f0b412ccb37bed237fac1ae
Markdown272960eb065860f2e12ecc844c7f1bcd1ceee9d5af31da5e3b47c48e81944ec2
PDF
Publication page366217ef7acf2aa934092277ad001bb49793b9028cdb236e0162de88c6ea98aa
Manifestd6410ac662a70e9bc66251a1602edfcdc11b894aff048165a3109f62d4884c64

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
Signatureq+bCvP5gX3m6NldC9+fY918xNbJqTVfmm9IbqVEsmOjyJuPeMtoOppWNbSI/NmYj8+TkuPO12qL+FMHrmWNwAQ==
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

2026-09-17T12:04:44.216730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016521
observed 366217ef7acf2aa934092277ad001bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.198989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016521/manifest.json
observed d6410ac662a70e9bc66251a1602edfcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.180135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016521/publication.md
observed 272960eb065860f2e12ecc844c7f1bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.161352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016521/publication.txt
observed 983d42d56148055dc61c396e1ce08d53...
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.