OpenTechnical

OT-2026-000020314

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000020314) never changes.

Identity and time

Publication numberOT-2026-000020314 · never reused
Internal UUID01a0ae6f-437a-77dc-a907-9281a908c7c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020314
StatusPUBLIC

Content hashes

Canonical text7677a5e7450fdb553607842df2324f9565fa413aee32652136401726dedf25b0
Markdown2fae03bb8cad3163e9bd7c296bf7ff1d4a51b76c01062faa102dcb67434c3448
PDF
Publication page07a0189b8220b6e3be65c00cb08d44c6c9814512c0359f2f1308981c68f4055f
Manifesta8917c8fe6e4538b510b3f76600aac70e37bd986d899f43cc93bea38820d153a

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
SignaturevlR50IWI6K934S1/Rs2LVib1AUNXhyT2YDDEPqLA6caEgpCD5rsZjDsBbW5SiUP5D3C30ipFqik+vbiNZn/qAw==
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

2026-09-17T12:00:04.930955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020314
observed 07a0189b8220b6e3be65c00cb08d44c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.911968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020314/manifest.json
observed a8917c8fe6e4538b510b3f76600aac70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.820919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020314/publication.md
observed 2fae03bb8cad3163e9bd7c296bf7ff1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.735362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020314/publication.txt
observed 7677a5e7450fdb553607842df2324f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:15.745650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020314
observed 07a0189b8220b6e3be65c00cb08d44c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:15.728423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020314/manifest.json
observed a8917c8fe6e4538b510b3f76600aac70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:15.708584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020314/publication.md
observed 2fae03bb8cad3163e9bd7c296bf7ff1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:15.577966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020314/publication.txt
observed 7677a5e7450fdb553607842df2324f95...
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.