OpenTechnical

OT-2026-000062580

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000062580) never changes.

Identity and time

Publication numberOT-2026-000062580 · never reused
Internal UUID01a0ae8c-0ac1-7199-8aab-99e44f9c49e1 · 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-2026-000062580
StatusPUBLIC

Content hashes

Canonical text6aeb9dd7ba4cea04840cf4f3c40ea6f78650570478cb2fb2cbf90a80f36d67f3
Markdown765a0f1e502f369198b10092afc5d96f54436e54e90c7442a7d204f679802531
PDF
Publication pageb56bf54cde8331bab1363db48bdae1a97c737f581e717bbef2f7b9a43076b639
Manifest54ca5b179d928ade7d52e6d0923dbeaea77b595e89a812da4af423e32a9aa056

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
SignatureM1el0RdFv/tvLFIjGSckTKkucwOZ4Ri6kHH/FE2WPjr67J0VNxLYJWEyidLVhPDRFwU+t/5ND5kviiu1el/CAg==
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

2026-09-17T10:40:04.096909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062580
observed b56bf54cde8331bab1363db48bdae1a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:04.078361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062580/manifest.json
observed 54ca5b179d928ade7d52e6d0923dbeae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:04.055860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062580/publication.md
observed 765a0f1e502f369198b10092afc5d96f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:04.030816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062580/publication.txt
observed 6aeb9dd7ba4cea04840cf4f3c40ea6f7...
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.