OpenTechnical

OT-2026-000012449

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000012449) never changes.

Identity and time

Publication numberOT-2026-000012449 · never reused
Internal UUID01a0ae6d-39f6-7bca-bd96-04ec3d7f46d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012449
StatusPUBLIC

Content hashes

Canonical text7e3602004cb5102ba5b890dfed3439d19959fb022676563ce9c73fe472031f88
Markdownda49bd5b360fe8cfb66300edf4f65a6fb0cd53e8a913bd1199d3bc6e7489f013
PDF
Publication pagec89119efa981260f49958507b873391dfe7f047b90851a8ee63af9b3a8560dd5
Manifeste5aeb7f8c58e33d97ac7b29359abf97e5df4ad2920a62915264513ef9db8c932

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
Signature4vPolHLA4DSlJ/SAaI5SwA3H572G1nWRXdjCbhd36TWKYz9P1mfq+BDQbubjP4r9HfmqmcGcq2ZF1IzjtiYzDw==
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

2026-09-17T12:11:57.210323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012449
observed c89119efa981260f49958507b873391d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:57.190314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012449/manifest.json
observed e5aeb7f8c58e33d97ac7b29359abf97e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:57.170920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012449/publication.md
observed da49bd5b360fe8cfb66300edf4f65a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:57.152131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012449/publication.txt
observed 7e3602004cb5102ba5b890dfed3439d1...
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.