OpenTechnical

OT-2026-000023588

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000023588) never changes.

Identity and time

Publication numberOT-2026-000023588 · never reused
Internal UUID01a0ae70-726a-7977-868d-425785278caf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023588
StatusPUBLIC

Content hashes

Canonical texta829799ec36b75a5475f4ceb1dbe0b8614d06eb9d5f373e021a06c1029a9291d
Markdownc21676694989b5f62efa3687cfae970da2e3add4c3a6ee5ef145b470d51d56db
PDF
Publication page75ea41589c40a37f27145da857b256cfdc7e2969f3e4d2c49efbf94f3bbef61a
Manifestd1386b741c8d7cd732561c0a41a9a8000ae93f4a5445891b5f7a0c5588e0c7f0

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
SignatureIDxbxzAec5IdqN9fNeCbJ8VxWlGHIFGHemnlp/3OhY9JERWQ7yrtuXb4iGDOX4H88038jE44ppNo8XLgxgZ0Aw==
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

2026-09-17T11:51:56.790977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023588
observed 75ea41589c40a37f27145da857b256cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.772395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023588/manifest.json
observed d1386b741c8d7cd732561c0a41a9a800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.754933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023588/publication.md
observed c21676694989b5f62efa3687cfae970d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.728724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023588/publication.txt
observed a829799ec36b75a5475f4ceb1dbe0b86...
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.