OpenTechnical

OT-2026-000068162

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000068162) never changes.

Identity and time

Publication numberOT-2026-000068162 · never reused
Internal UUID01a0ae8f-c4ff-7f0a-8435-1c83ea753a94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068162
StatusPUBLIC

Content hashes

Canonical texteb6eb7dbc3bb950b1504c86f4662bad2130f4fbc4ceeeb71143366b1e4c6d0c7
Markdown151406990fe3736ee4c917b3bb09f1b267f26f3ed4673a7d965d427618940fb1
PDF
Publication page352880d6c95a6650458bc9038512b83b87b49400b106f98a3c23f0e22931be85
Manifestf56295e1636d32d7c7c3d94bf4e2badf0035e666ce127cb2c1e98b7d52054336

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
SignaturebbyBTahQP9rkmXQM0eUh2gT6ySc8y/7mpUdfxKOUjDoeb8yuPUEgePham6rzGWZPbkwY8XOSJo1ySccKco+kBA==
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

2026-09-17T10:30:48.902849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068162
observed 352880d6c95a6650458bc9038512b83b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.885744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068162/manifest.json
observed f56295e1636d32d7c7c3d94bf4e2badf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.868293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068162/publication.md
observed 151406990fe3736ee4c917b3bb09f1b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.850616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068162/publication.txt
observed eb6eb7dbc3bb950b1504c86f4662bad2...
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.