OpenTechnical

OT-2026-000018086

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000018086) never changes.

Identity and time

Publication numberOT-2026-000018086 · never reused
Internal UUID01a0ae6e-96fd-7f28-880a-63b315121331 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018086
StatusPUBLIC

Content hashes

Canonical text4386067e47939af348365ceff180ac5de032fe3e1a46f023a347ad92535a9371
Markdown84c026f15a5f9b4b94e8ef3a9f3fce0062a6256f58f201ce97db46d1eb7ffff8
PDF
Publication page9d1914ec0c912a45a795d0cfb116c18150f739a5e4103e966367e6792bf016d8
Manifest50499ac7b8d7b3b5cc78236f03d409d8185fe5fedb73f24c53650dfebbbf637f

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
SignatureWzmK3c8UWV5titUzdACMUTNFZfGL7w7QXiUYiDsRxHw1mFM98QEwlwjk1Sicd/p9JhPlfZg27vOBntOpj6nVDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:07.841382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018086
observed 9d1914ec0c912a45a795d0cfb116c181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.823662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018086/manifest.json
observed 50499ac7b8d7b3b5cc78236f03d409d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.807804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018086/publication.md
observed 84c026f15a5f9b4b94e8ef3a9f3fce00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.790803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018086/publication.txt
observed 4386067e47939af348365ceff180ac5d...
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.