OpenTechnical

OT-2026-000071658

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000071658) never changes.

Identity and time

Publication numberOT-2026-000071658 · never reused
Internal UUID01a0ae92-1e91-7f26-b15a-a7dbd8b4d7ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071658
StatusPUBLIC

Content hashes

Canonical textfc7b66571214c6f74f24ab405eec174c9140a02f028fb5f96180b992977d5cb8
Markdownde4fff1c4c8aeb8629ba4919c67c6487e4ccd9e65f5a88e1112c58101240c0bf
PDF
Publication page966dfc086d739f67d2dbc823b933a0c84071e4dd37f978ae8c46ed9e3876215d
Manifesta16d7f45c1dc27bdb1d6aafc1b46ffe2e5d857f69a3d106a59a9bc80feedc1ab

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
SignatureVbTYKAXor9wKhU7KVHwED8Bhq4FDv/LG26Tdu60+vJT4eC6gHP0CqfYBMvNHjFgsvyWuvX7PXPEiyGjZw6r3Cg==
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

2026-09-17T10:23:41.486917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071658
observed 966dfc086d739f67d2dbc823b933a0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.471577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071658/manifest.json
observed a16d7f45c1dc27bdb1d6aafc1b46ffe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.455912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071658/publication.md
observed de4fff1c4c8aeb8629ba4919c67c6487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.439801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071658/publication.txt
observed fc7b66571214c6f74f24ab405eec174c...
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.