OpenTechnical

OT-2026-000060898

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000060898) never changes.

Identity and time

Publication numberOT-2026-000060898 · never reused
Internal UUID01a0ae8b-12f1-7273-8247-58680cf68d41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060898
StatusPUBLIC

Content hashes

Canonical text3382ad2aa73c9db7dece02c0560a9f7863b1d08c40a65b22aacd454fb5c61e17
Markdown4900e6ee76fb476c144e2856ec8f305e6f077792c7dd5377318f2104b5a8b438
PDF
Publication page880965f6f52f829dbc80f600b6320eb4a014134bf8150e2cfd34e8e72bb65039
Manifest41127751372bbb8385d22979a55be5287200ca32053497328ecbf640566625e2

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
Signature3xNYcgAPcizx0NO2TK6Gg5/hgKSsLwI25zyUSh56Lo3vuz1RBd1GI3YH0tnQ1HgzUNB/uJD7lByCdMXlXrk7Cw==
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...

Independent retrieval

2026-09-17T10:41:38.314464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060898
observed 880965f6f52f829dbc80f600b6320eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:38.297583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060898/manifest.json
observed 41127751372bbb8385d22979a55be528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:38.276791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060898/publication.md
observed 4900e6ee76fb476c144e2856ec8f305e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:38.258121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060898/publication.txt
observed 3382ad2aa73c9db7dece02c0560a9f78...
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.