OpenTechnical

OT-2026-000027144

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000027144) never changes.

Identity and time

Publication numberOT-2026-000027144 · never reused
Internal UUID01a0ae72-3454-73b8-bbf9-558bf05cf7e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027144
StatusPUBLIC

Content hashes

Canonical text18cd2acf3be98d7bfdf89703da4a8b6418759190024d5866ba1a8122f00f603d
Markdownab881f5ead1c6cd15608b598fb6c413c6dd51fd1fab0f375ccaa32359f403cee
PDF
Publication page86f0f11394b6cfda023025dec1c6a3d340001de55c456fa582d1cd9d63557fdc
Manifesta1a5a6d633c68e953175b135d1b1099539f679763b68d12d20afa4133f1a24a0

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
Signature99ScQC3XOgRGGz6O5iyVhFytvYCKXu5f4Z4JY0nfe/2hvWyJpTuv9XIxjEKRZResHbFf4VzjGgZoTERDvK0ACw==
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

2026-10-04T04:23:35.605301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027144
observed 86f0f11394b6cfda023025dec1c6a3d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-04T04:23:35.583353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027144/manifest.json
observed a1a5a6d633c68e953175b135d1b10995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-04T04:23:35.565946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027144/publication.md
observed ab881f5ead1c6cd15608b598fb6c413c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-04T04:23:35.530501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027144/publication.txt
observed 18cd2acf3be98d7bfdf89703da4a8b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.307492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027144
observed 86f0f11394b6cfda023025dec1c6a3d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.289652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027144/manifest.json
observed a1a5a6d633c68e953175b135d1b10995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.273586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027144/publication.md
observed ab881f5ead1c6cd15608b598fb6c413c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.253946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027144/publication.txt
observed 18cd2acf3be98d7bfdf89703da4a8b64...
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