OpenTechnical

OT-2026-000009513

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, vented after 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-2026-000009513) never changes.

Identity and time

Publication numberOT-2026-000009513 · never reused
Internal UUID01a0ae6b-7562-7081-ab9e-30ab8dee00dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009513
StatusPUBLIC

Content hashes

Canonical text5e3b6538195458a92473720a07b711394de7620ac83b095d60babd06562c5c1a
Markdown257be53a3f6af4ae6f52167c81927a5504800c55720412f9e0538cb536ad14d5
PDF
Publication pageccd30be4d181de39a0c0430b7595066c7daff0901abef6a9712c2deda6090b2c
Manifest19b3bd3a3c4f085aa765896121dedbd2c25110f2b6caa111de55f98310b869d8

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
SignatureDywBHAjXHYjXcPdcs+FwuRVHy3DlY5QQXWgBdnXGWQmbCr/lggdlweYGmRLk7sd0qrHEv0ntYke6bWWFzYTTDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:55.512344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009513
observed ccd30be4d181de39a0c0430b7595066c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.492958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009513/manifest.json
observed 19b3bd3a3c4f085aa765896121dedbd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.474717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009513/publication.md
observed 257be53a3f6af4ae6f52167c81927a55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.455336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009513/publication.txt
observed 5e3b6538195458a92473720a07b71139...
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.