OpenTechnical

OT-2026-000089691

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089691) never changes.

Identity and time

Publication numberOT-2026-000089691 · never reused
Internal UUID01a0ae9c-1a22-733f-941f-b0fd096e0f1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089691
StatusPUBLIC

Content hashes

Canonical text3a694c633a833defd137be7966c317732d8dde1a73635cbd5ffd3ad11d2769d5
Markdown989b202b89ec2c7563afd0d4c8611e1e5f4a93e3effcbf3202aa4fd1c27cd841
PDF
Publication page36bd3c6aecb89815e03f362f92939735133a75dce6db4d40903a8fa2a80502ab
Manifest116599a35a008efc69fe476bf72bfd5f3af48e1d7fec531c305675212f8e6132

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
Signature+zeymK/ZyHidZi7bU4jrEfghDCYb8yS46ZGjkEvgqsbYpdfrY1hMT1XWqBdzK6onXJEtAi0nlcLc386wZecYAQ==
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

2026-09-17T09:46:41.414004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089691
observed 36bd3c6aecb89815e03f362f92939735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.396423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089691/manifest.json
observed 116599a35a008efc69fe476bf72bfd5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.378868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089691/publication.md
observed 989b202b89ec2c7563afd0d4c8611e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.362098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089691/publication.txt
observed 3a694c633a833defd137be7966c31773...
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.