OpenTechnical

OT-2026-000023034

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single 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-2026-000023034) never changes.

Identity and time

Publication numberOT-2026-000023034 · never reused
Internal UUID01a0ae70-46ec-7ce5-b5c9-064f91f0028a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023034
StatusPUBLIC

Content hashes

Canonical text7e485fc003614d5edbacba8b7efe124841bf7a960781b6f0b2a6542095847cde
Markdown294d494853bbd9c8fac3382bbe7224d2416917d92c21bce5c544938d2d40a25d
PDF
Publication page07f72d96c9b5bc5ccb698232b5276f45705f181a6e4d0c68b730a16fa4b39e54
Manifest5eabb0333b0810b1ee9e91fd96b4071bfc8d8b98013afcef4ba502aecb1f6177

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
SignatureonuOuAPRMSGFKnBSnUKq7izVlxlWQ6SrG0xwVVtjcUOjdsbC+2aCxnb+7YfmG0vA0nJvnj30wTKmtLNLvyweBg==
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

2026-09-17T11:52:38.253917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023034
observed 07f72d96c9b5bc5ccb698232b5276f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:38.234181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023034/manifest.json
observed 5eabb0333b0810b1ee9e91fd96b4071b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:38.213881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023034/publication.md
observed 294d494853bbd9c8fac3382bbe7224d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:38.195456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023034/publication.txt
observed 7e485fc003614d5edbacba8b7efe1248...
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.