OpenTechnical

OT-2026-000062338

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented after 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-2026-000062338) never changes.

Identity and time

Publication numberOT-2026-000062338 · never reused
Internal UUID01a0ae8c-0abf-77ab-913a-822ff6b0b8ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062338
StatusPUBLIC

Content hashes

Canonical text6a2c0c560dab060ad925a989c5cae0cbf8d78a150ce2d1dd36498ad3a82e66ff
Markdown4d40888ef01aa743e6c99983af5fb3bc1e5b1f7bed97d803f677348aa15c02eb
PDF
Publication page415b50ca3f9ebba9c0324d1595b09e5a83533556c3f379544133ca1be3b0c7a6
Manifestf4577dca070c1701e417d29a816b2366f82829b2e59c5ff41cd9cb477ebf5be3

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
Signaturew0BF9EDz8bNhjI9g4a/fVX4coYNsJrnqCkxCXIlIaWgICysjRgvJhqxBzar3DQRj5q1poTpXW3Sg3dz8a2IODQ==
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

2026-09-17T10:39:38.912496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062338
observed 415b50ca3f9ebba9c0324d1595b09e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:38.895714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062338/manifest.json
observed f4577dca070c1701e417d29a816b2366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:38.878282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062338/publication.md
observed 4d40888ef01aa743e6c99983af5fb3bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:38.860502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062338/publication.txt
observed 6a2c0c560dab060ad925a989c5cae0cb...
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.