OpenTechnical

OT-2026-000009109

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000009109) never changes.

Identity and time

Publication numberOT-2026-000009109 · never reused
Internal UUID01a0ae6b-31b8-733b-8cf3-e494627f38b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009109
StatusPUBLIC

Content hashes

Canonical textcd9a6165e58a3da018e0822d0e7ca8d371b63909eb4104e91bdc60fa5140abec
Markdownf7df07638420d3075b4e57bd335de037c8f81b260d0c92edd3ac9bf21129383d
PDF
Publication pagee77c3d111a3a6d4b0affa6ea5e177fc312936257046ae4b68354063158d53b1b
Manifestdd0b67dd33df8415009ace67a2e4d0195a10e11b998b4d4b346ac3137bb84929

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
SignatureIpCQnfA1b0J+/sof4C4GRbrvymreWZ6YFctQu2OaHRdRrc0tPLSZYDMArfnQT9OwwKhxB2saHw7LjxaGYFYCAg==
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

2026-09-17T12:17:47.520859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009109
observed e77c3d111a3a6d4b0affa6ea5e177fc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.500972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009109/manifest.json
observed dd0b67dd33df8415009ace67a2e4d019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.481765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009109/publication.md
observed f7df07638420d3075b4e57bd335de037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.462202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009109/publication.txt
observed cd9a6165e58a3da018e0822d0e7ca8d3...
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.