OpenTechnical

OT-2026-000023791

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000023791) never changes.

Identity and time

Publication numberOT-2026-000023791 · never reused
Internal UUID01a0ae70-aed5-7474-8a01-5baf4c8394be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023791
StatusPUBLIC

Content hashes

Canonical text52a44e96358b081ee68f886229241c03b1004a12becb48f5efd230461edf3469
Markdowna7fa606eec8f0161238d6b2f3e7b961d4513cc3261a071c4290a80dece375ed5
PDF
Publication pageeaaaadcd644ea4f2c188e20ed64e7b8182430afa8c0fa9a86efa3ea7b45ff1d5
Manifest81180a983a6a5442544893d4a041fd00dfdad319ffecfe14fe4b3cd3f85289d9

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
SignaturepbyzrI5UTHZRdV6HSC7O9hOhFsrfI9gAuZsI1lBK+FIGcflxm1LNoVed9pwYngNW3/r68aRpto9TCLYCwGEeDA==
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

2026-09-17T11:50:15.922255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023791
observed eaaaadcd644ea4f2c188e20ed64e7b81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:15.903813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023791/manifest.json
observed 81180a983a6a5442544893d4a041fd00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:15.885547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023791/publication.md
observed a7fa606eec8f0161238d6b2f3e7b961d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:15.868256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023791/publication.txt
observed 52a44e96358b081ee68f886229241c03...
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.