OpenTechnical

OT-2026-000072466

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000072466) never changes.

Identity and time

Publication numberOT-2026-000072466 · never reused
Internal UUID01a0ae92-89d8-7e4a-be50-7c8ab07decd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072466
StatusPUBLIC

Content hashes

Canonical textfee3a9560de86ee89e61b021af3ae8396bb807f08ce8d871d3d98dd142784438
Markdowndddde3aafa2957ab0208aa41a19e4c328ceab597c13cc24e3939d767245f2875
PDF
Publication page23e41f75f24ce04a03b6182e7ad23a91c5b9f2c37830fb36eca520eb4370900f
Manifestc8b9f6767d7f70106558a09650f39ba6f1f5f4913cefa9d0b7fc482ffaa18470

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
SignatureaktrSvkZZrM1Tr/h30/wS/zj8Vw86SOLwgn1auNJqlhNLXU4fCvWrVl4bzKATU/tdrz+aprFFX9AjoEP+BlaDQ==
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

2026-09-17T10:22:17.465789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072466
observed 23e41f75f24ce04a03b6182e7ad23a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.447374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072466/manifest.json
observed c8b9f6767d7f70106558a09650f39ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.430029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072466/publication.md
observed dddde3aafa2957ab0208aa41a19e4c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.411617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072466/publication.txt
observed fee3a9560de86ee89e61b021af3ae839...
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.