OpenTechnical

OT-2026-000046955

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000046955) never changes.

Identity and time

Publication numberOT-2026-000046955 · never reused
Internal UUID01a0ae7e-d0f6-7eb1-a0cb-1511378401cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046955
StatusPUBLIC

Content hashes

Canonical textdfa0763c97775a37237fb40f9a53182c96f6ee137cd115edd2a48bad9c21e3b1
Markdowna49ea9d49e48eeb0e27019eae97ed9d764a447c64168e8f728f2209fa0697786
PDF
Publication paged5a097eec65c841cd0eeaea6da9da29cdcdcb0f93037f41f60fe5802a67e10d9
Manifestc0600a74a4879aac568e0f4b89b6bccad4d9bfe420889733eab4c918dc43e6e2

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
SignatureqnrN1s6v/QWZwGY3EeF2ni/h3EWhnR53wDAIVT8iJqkkEU6+zoCSxzxs9BQ1rb/d90bjY7inuxBrkz1zfSaoDQ==
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

2026-09-17T11:10:07.287094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046955
observed d5a097eec65c841cd0eeaea6da9da29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:07.269802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046955/manifest.json
observed c0600a74a4879aac568e0f4b89b6bcca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:07.250547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046955/publication.md
observed a49ea9d49e48eeb0e27019eae97ed9d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:07.224313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046955/publication.txt
observed dfa0763c97775a37237fb40f9a53182c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:41.335806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046955
observed d5a097eec65c841cd0eeaea6da9da29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:41.317185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046955/manifest.json
observed c0600a74a4879aac568e0f4b89b6bcca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:41.298631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046955/publication.md
observed a49ea9d49e48eeb0e27019eae97ed9d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:41.280771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046955/publication.txt
observed dfa0763c97775a37237fb40f9a53182c...
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