OpenTechnical

OT-2026-000089031

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000089031) never changes.

Identity and time

Publication numberOT-2026-000089031 · never reused
Internal UUID01a0ae9b-8f12-797a-a3f5-63858ce70de5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089031
StatusPUBLIC

Content hashes

Canonical text16f771a8e1ddc763643ff4c380206a53397e5317100858dd023854d093aa563b
Markdownd68a4dcfd6b1e98c29c930d57c8ae6520e794bf659e621b2eb20e28475772261
PDF
Publication pagea4f75cca28cd57ac88084ecc00f6597ac938ad636ae5625f8063cc22aff260b7
Manifest7074279a868ad39d97a928706fbb8613fb2105c3953d85ca27b0e13356d8dd7b

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
Signatured4RpAs3igT1T0V5nindlqlCKY8ksork6RaIE5t3dItr43SOSWlOMyyFc8D2BqcxDxKhpvvtceo0TjSVgEQa4AQ==
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

2026-09-17T09:48:32.438883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089031
observed a4f75cca28cd57ac88084ecc00f6597a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.419876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089031/manifest.json
observed 7074279a868ad39d97a928706fbb8613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.402497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089031/publication.md
observed d68a4dcfd6b1e98c29c930d57c8ae652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.385210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089031/publication.txt
observed 16f771a8e1ddc763643ff4c380206a53...
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.