OpenTechnical

OT-2026-000039213

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000039213) never changes.

Identity and time

Publication numberOT-2026-000039213 · never reused
Internal UUID01a0ae78-9673-7fb0-9651-016ecc2dcc6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039213
StatusPUBLIC

Content hashes

Canonical textb8bc52d3d34eefcf9d00a3783f27bc3e275b3afc6952a1d97648c4683fbc0a17
Markdown75eb22f7482888fb4fcee2740aecca77754d460ac1715568fe48296143f71226
PDF
Publication page72306b38a07c59f152e577326b4f3cffe1647dad41ba0567100b5a87023e5172
Manifestf2747587676e5ceb947614a119657d602bfa9177d83b87ef254810bdc758707c

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
Signaturejf6WHZ/t/RDJFtvX4ynFEdzZ/s/6STWtFO2O91UoL9khA1GiOE9ARdnhZFbUpLVygFlphsgrbmpa3PLcAKsDDg==
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

2026-10-25T16:41:51.157824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039213
observed 72306b38a07c59f152e577326b4f3cff...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T16:41:51.085837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039213/manifest.json
observed f2747587676e5ceb947614a119657d60...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T16:41:51.014163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039213/publication.md
observed 75eb22f7482888fb4fcee2740aecca77...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-25T16:41:50.921999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039213/publication.txt
observed b8bc52d3d34eefcf9d00a3783f27bc3e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.870146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039213
observed 72306b38a07c59f152e577326b4f3cff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.850604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039213/manifest.json
observed f2747587676e5ceb947614a119657d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.830773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039213/publication.md
observed 75eb22f7482888fb4fcee2740aecca77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:45.810614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039213/publication.txt
observed b8bc52d3d34eefcf9d00a3783f27bc3e...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent