OpenTechnical

OT-2026-000086551

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000086551) never changes.

Identity and time

Publication numberOT-2026-000086551 · never reused
Internal UUID01a0ae9a-2c98-73b3-8445-54d122df57f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086551
StatusPUBLIC

Content hashes

Canonical text6fbfdc72b083c4e77e890355730af486ae4288ed71e2be41eb6566ce4875284b
Markdown45c11ddf37bc35f56ce6fea6e178014c8d08ff407e5f1545030b7353591e0271
PDF
Publication page7d61a14de3a49b74c3bdcdae0baf997ec7c5109c4ce8f3f59abdd2ecad546d69
Manifest9bfc650be62dc7d6b7640adc6fb74a25cf00fdb849a6fc1b4e8990ba0464bd39

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
Signature3JnvbPwsGGrKPp2g4k+QXC6lcyqHWGuklttfXByql80NE+gpAlKyt9Q3TVafRX8w5VV8gmBzpRZlpplmUhLtCA==
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

2026-10-20T04:41:05.183500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086551
observed 7d61a14de3a49b74c3bdcdae0baf997e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-20T04:41:05.129018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086551/manifest.json
observed 9bfc650be62dc7d6b7640adc6fb74a25...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-20T04:41:05.051712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086551/publication.md
observed 45c11ddf37bc35f56ce6fea6e178014c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-20T04:41:04.943626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086551/publication.txt
observed 6fbfdc72b083c4e77e890355730af486...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.829860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086551
observed 7d61a14de3a49b74c3bdcdae0baf997e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.811301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086551/manifest.json
observed 9bfc650be62dc7d6b7640adc6fb74a25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.793493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086551/publication.md
observed 45c11ddf37bc35f56ce6fea6e178014c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.774616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086551/publication.txt
observed 6fbfdc72b083c4e77e890355730af486...
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