OpenTechnical

OT-2026-000071921

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000071921) never changes.

Identity and time

Publication numberOT-2026-000071921 · never reused
Internal UUID01a0ae92-47c0-7b9f-91aa-be6b0a209e9a · 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-2026-000071921
StatusPUBLIC

Content hashes

Canonical text91db2c0959d69d06c1db79cc9b83716d210b5ba8dc7ce54f8ef6c5d15252fe4f
Markdown05fdc3bf4b27a2f3cf77a5c3c2b098d2b1edf570768a0fd426f242947e640183
PDF
Publication pagee0dd4335b65930f779220ed0810bd40f496626ba55178fb52af9b1182c6f42d3
Manifest4b21b8620ac508fe4ec43c3c9504f23b9a2b302b04a899ca773228726997f54c

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
SignatureQws6fVdo6dCy+un1/y/NxckOy83oVaTI4mZDh/MpBdMXPwDI9l7OowOkUNB9H1IT/ApZg4amNVvfgTJvr/rGCw==
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

2026-09-17T10:22:56.995316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071921
observed e0dd4335b65930f779220ed0810bd40f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.976606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071921/manifest.json
observed 4b21b8620ac508fe4ec43c3c9504f23b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.956668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071921/publication.md
observed 05fdc3bf4b27a2f3cf77a5c3c2b098d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:56.937793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071921/publication.txt
observed 91db2c0959d69d06c1db79cc9b83716d...
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.