OpenTechnical

OT-2026-000081457

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000081457) never changes.

Identity and time

Publication numberOT-2026-000081457 · never reused
Internal UUID01a0ae96-f375-7f58-91db-d1b9e24de016 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081457
StatusPUBLIC

Content hashes

Canonical text09a19f70e8d6c403db2e23902381d6fbf4edaf6081c3687d63a95d2b1f53a21b
Markdowne286d3af8063e5fe7f73cc3913aabc1dc596c98b716d00d08559a11a628bd752
PDF
Publication page09b50c8a5c9ee75c1147c46c2c4ceae10078e900d47d21c0f166ef98644b300e
Manifesta7a1a0080d2ec87bb6150d936ad7e387bafddeb1e63556eedf47dbc13ab989c5

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
Signature71D4SE8InfwhwLRQgqxJmTF37dVGCkqFptGxb1CGY19m2Uowb/AnTka32LF4kS9ZXV/+L4GCZXXyhq+2kpytCQ==
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

2026-09-19T04:23:51.436605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081457
observed 09b50c8a5c9ee75c1147c46c2c4ceae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-19T04:23:51.418105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081457/manifest.json
observed a7a1a0080d2ec87bb6150d936ad7e387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-19T04:23:51.399024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081457/publication.md
observed e286d3af8063e5fe7f73cc3913aabc1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-19T04:23:51.378394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081457/publication.txt
observed 09a19f70e8d6c403db2e23902381d6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.174772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081457
observed 09b50c8a5c9ee75c1147c46c2c4ceae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.158213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081457/manifest.json
observed a7a1a0080d2ec87bb6150d936ad7e387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.141329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081457/publication.md
observed e286d3af8063e5fe7f73cc3913aabc1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.125197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081457/publication.txt
observed 09a19f70e8d6c403db2e23902381d6fb...
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