OpenTechnical

OT-2026-000081477

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, sustained blow-off before set-down

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-2026-000081477) never changes.

Identity and time

Publication numberOT-2026-000081477 · never reused
Internal UUID01a0ae96-f375-7a87-8f17-b43ce62a3f98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081477
StatusPUBLIC

Content hashes

Canonical text39bacb373076873299526106ea08badeab33c66221473efe2a9b4c78bcc615dd
Markdownca9bd1ce77d65d4f7b0fa17b37a67a28f855ee64274b4cfa7e4d5011e6be8caf
PDF
Publication pagee82fb0bcf318bef5b11c785c85af84b696009ed69814a4dbdffaedbcf141a589
Manifest181afe3632052c96e42492a31e572fa94ef142691d114f755e5ee5557c88ff3f

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
SignatureCHdX14NTUFYThbkr3c2qQ8HKfCpVkHuBvR68G6htVHjHgkRLUVjNMIJj+q9kKXOnUDCfHm+HAFabcEpQUXk6DQ==
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

2026-09-17T10:01:38.624354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081477
observed e82fb0bcf318bef5b11c785c85af84b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.607359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081477/manifest.json
observed 181afe3632052c96e42492a31e572fa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.590364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081477/publication.md
observed ca9bd1ce77d65d4f7b0fa17b37a67a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.572812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081477/publication.txt
observed 39bacb373076873299526106ea08bade...
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.