OpenTechnical

OT-2026-000071911

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000071911) never changes.

Identity and time

Publication numberOT-2026-000071911 · never reused
Internal UUID01a0ae92-47c0-7bf2-81cb-da247a619939 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071911
StatusPUBLIC

Content hashes

Canonical text54a922c627a8ea554d334bf3afb00e83b1d2a145712df18ec144b9372d53fbab
Markdown2111623a5150c3865fef1afd819e057b16e9aa7d1706fcf40128307e4eeac6c3
PDF
Publication pagebf6e2e4ffee27f4738a37465f0388a648a04975e0f01b9b29a41121ea78fd235
Manifest0d18416d2311f3acdb7de77b89109582bb2cc7fde90ff4abf01254839842e054

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
SignatureA1lhOF4ypU6iEjTAGitImfWAp8AS6LXhzgDBF2bzgX/STxWB/2cnxG7zRR4+/UqXkvD50bE2hhmaw8NtS+78CA==
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

2026-09-17T10:22:56.240466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071911
observed bf6e2e4ffee27f4738a37465f0388a64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.221615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071911/manifest.json
observed 0d18416d2311f3acdb7de77b89109582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.202555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071911/publication.md
observed 2111623a5150c3865fef1afd819e057b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.183922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071911/publication.txt
observed 54a922c627a8ea554d334bf3afb00e83...
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.