OpenTechnical

OT-2026-000086749

Publication integrity record

Three cup vacuum gripper, three 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-2026-000086749) never changes.

Identity and time

Publication numberOT-2026-000086749 · never reused
Internal UUID01a0ae9a-2c99-7ceb-b89e-1da770fe6597 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086749
StatusPUBLIC

Content hashes

Canonical text659359c2c907a5a26625636821b7e61969b86f9da412279fb75037db037519d8
Markdown024f68220457c1e75f9fec647eb607d486bbe7ec49177311c0e04dd809163566
PDF
Publication pagef0f23453bb872b4247633892379e3a2a9dba366c59727c690ee4932efa8c4059
Manifest1b9c726a35b3a78831ac15b2aa8e333b69069d67e14dd91e32eb88258173f009

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
Signaturew/XD7Seqc3exfH2EhefwF3jaSxsL1MM1V77izfH+ym6ym98XLSic0BVNLPAQ/WIjjeH7+7fNyRfYvncK9KSKDg==
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

2026-09-17T09:52:37.912139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086749
observed f0f23453bb872b4247633892379e3a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:37.893276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086749/manifest.json
observed 1b9c726a35b3a78831ac15b2aa8e333b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:37.875779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086749/publication.md
observed 024f68220457c1e75f9fec647eb607d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:37.857604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086749/publication.txt
observed 659359c2c907a5a26625636821b7e619...
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.