OpenTechnical

OT-2026-000069358

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000069358) never changes.

Identity and time

Publication numberOT-2026-000069358 · never reused
Internal UUID01a0ae90-b529-73d9-8b32-3b3f48fb3853 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069358
StatusPUBLIC

Content hashes

Canonical textcae2213e281e1f0a0b79f0464c5e4e009b92e27db02c18d7d395ca065813aee4
Markdown7ffc0407487c4d8ec302920ce2688f42d693bd9006546ea3c041abee6991cbc4
PDF
Publication page7eef82e42db1b6cf719f95eda48d2ed0470603026d12b0ac5fd76d04745ed78c
Manifest91ab70cb05454bcbb8ad5c56c3039443a68b5753389f299bc31389900b17f081

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
Signatures1AaPjhOZo314JZdxbYBJkBol6rkgf4GwbEoUtSSiUSoqBk2jnyhCpXA865+ePvzRfr/feosuXh2rl1RPzxuCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:16.248542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069358
observed 7eef82e42db1b6cf719f95eda48d2ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.231185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069358/manifest.json
observed 91ab70cb05454bcbb8ad5c56c3039443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.206260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069358/publication.md
observed 7ffc0407487c4d8ec302920ce2688f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.188122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069358/publication.txt
observed cae2213e281e1f0a0b79f0464c5e4e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:57.095024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069358
observed 7eef82e42db1b6cf719f95eda48d2ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:57.077594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069358/manifest.json
observed 91ab70cb05454bcbb8ad5c56c3039443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:57.060252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069358/publication.md
observed 7ffc0407487c4d8ec302920ce2688f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:57.042709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069358/publication.txt
observed cae2213e281e1f0a0b79f0464c5e4e00...
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.