OpenTechnical

OT-2026-000014572

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before 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-2026-000014572) never changes.

Identity and time

Publication numberOT-2026-000014572 · never reused
Internal UUID01a0ae6d-b27b-7e95-a6de-989a7edcf09c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014572
StatusPUBLIC

Content hashes

Canonical texte7bb17d81ef5342d9df77117148ac612324dc54e1b8e39ca58b9157d6ed3d875
Markdownfa22bb41f2c465900331d10ac056bf78121154924fb226924310473ec220c9d6
PDF
Publication page316eb09a1bf9b8080ce5ba9e9e7eb362e84321af030d86427d362e12d84bad8e
Manifest709656ed9ef12b1e1c9d7105c6aba76da86f019b8221b3430b8830d553f4eb6b

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
Signaturef76dCzubG99ObAlNClJeUWcEjexqs2zXstZnamYSduCGKzx43P5Tl8gkDpBr/t3OBou6/a0qmp0erW1J6UrcCQ==
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

2026-09-17T08:42:20.996122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014572
observed 316eb09a1bf9b8080ce5ba9e9e7eb362...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:20.775203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014572/manifest.json
observed 709656ed9ef12b1e1c9d7105c6aba76d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:20.623309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014572/publication.md
observed fa22bb41f2c465900331d10ac056bf78...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:20.335858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014572/publication.txt
observed e7bb17d81ef5342d9df77117148ac612...
fetched by grabo-systems from 34.44.131.203, 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.