OpenTechnical

OT-2026-000054862

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000054862) never changes.

Identity and time

Publication numberOT-2026-000054862 · never reused
Internal UUID01a0ae86-1285-7b2e-92a2-97d40635c0df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054862
StatusPUBLIC

Content hashes

Canonical text66121f0412fb5488a2885d7974a51a4a79dd8c0dc6e98f2ae9e28021eb11bbc4
Markdownba5aa769ad8d92ef130aed3bf9ac87554dbc2fa69aa600ac74695e77e4ecacb0
PDF
Publication page1b042cb1f4eb22e2a30e9a54ef6229476cd84b9820220949ccb3fe5dc4e9dfc2
Manifestc45c9d11b0d8f11a4c0fde4e9e68216f94f2b9b9609508268f7d87833472d588

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
SignaturenzWjP29o3K0usjN+BfRnx0g40Mc3aLZZbQYuus29z+4wM9NeY+C+wkiz3nW3NU7L/vGPUl99woCnJ2xDCcx6AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:04.860076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054862
observed 1b042cb1f4eb22e2a30e9a54ef622947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.841492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054862/manifest.json
observed c45c9d11b0d8f11a4c0fde4e9e68216f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.823128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054862/publication.md
observed ba5aa769ad8d92ef130aed3bf9ac8755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.805043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054862/publication.txt
observed 66121f0412fb5488a2885d7974a51a4a...
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.