OpenTechnical

OT-2026-000052792

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000052792) never changes.

Identity and time

Publication numberOT-2026-000052792 · never reused
Internal UUID01a0ae84-a42e-718c-b8c6-f495be82b84f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052792
StatusPUBLIC

Content hashes

Canonical text13f61f33327a23442aa22c786437cb0a652abc9f3e98533b556245667c435f76
Markdown6b66640dcddd5851b83b51bd62c3565890cd2c30b4e40b3c2db3c99bb833d708
PDF
Publication pagede8a2c5d5cafa2a40e7ff5a6d396099f56dbe1c1beca302f877f6eeafdb01d75
Manifestcf2bd5d675bf8f4dc9807a12bb2845e8f56c5e854fc30a0a96025b99e40293b9

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
SignatureRBcoXkXr7oOGDCMWQtJDH6WsZDZW/I6rBO9jTZSMvlXWHXHpFWKrPaR9nhf7B7RBlsHHxnnJG4MELwrlXQ0IDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:48.363259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052792
observed de8a2c5d5cafa2a40e7ff5a6d396099f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.345512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052792/manifest.json
observed cf2bd5d675bf8f4dc9807a12bb2845e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.326832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052792/publication.md
observed 6b66640dcddd5851b83b51bd62c35658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.308503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052792/publication.txt
observed 13f61f33327a23442aa22c786437cb0a...
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.