OpenTechnical

OT-2026-000073758

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000073758) never changes.

Identity and time

Publication numberOT-2026-000073758 · never reused
Internal UUID01a0ae93-2b8d-7ce1-bbab-e313407f23c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073758
StatusPUBLIC

Content hashes

Canonical text88aeb3cec1da85bbbc9a95b5a1613476247ccb90d6f2dc28867f5bf01a968164
Markdowna3b2531a54b246ce725d5e1db2fc13b2b3511d84dc25e53c8014124fad223547
PDF
Publication page85bd4068c0bdc53c72f74d827c92bea7bc74c08cb24228b9fceea31bab294e5f
Manifestadbefd59a4b359ba3cef33ad233e722318b989aa2864d3d76aef6a11ee4c5dc9

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
SignaturesFnm5BQZ5Skn+dcdpcgcaPEPZHXo8LT8QZUrGiaFVk+92q+qAagHqDq40Y80AUVuvuIww920rZyCgOmUREPGAQ==
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

2026-09-17T10:19:51.027963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073758
observed 85bd4068c0bdc53c72f74d827c92bea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.010257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073758/manifest.json
observed adbefd59a4b359ba3cef33ad233e7223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.990905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073758/publication.md
observed a3b2531a54b246ce725d5e1db2fc13b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.972097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073758/publication.txt
observed 88aeb3cec1da85bbbc9a95b5a1613476...
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.