OpenTechnical

OT-2026-000015805

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000015805) never changes.

Identity and time

Publication numberOT-2026-000015805 · never reused
Internal UUID01a0ae6e-0c4c-77e5-97c1-c36a49b3c7d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015805
StatusPUBLIC

Content hashes

Canonical text64f77c1be8608b60d26a2122360b308848f017baf7601904d4e4844f33f1c6c5
Markdown82f938a6923b6d3b60014228188a107192f07dff2a3ea0340f9a37ca973f7c50
PDF
Publication page91e8d82213cf80e4fc6992699f06169c61c61cf6e22ce7f731faf82d534203a0
Manifest06476d4885db098848af7cc5e1d549ec82a61f04f5cee0b7418b9e4ccb1839b6

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
Signature5i6EX9sV/K8A4ZCwMXFNQY/d/acZwwXmJJQEYHJgcERnpeV2rXX+kFk0yf/v4jONzoTpR1rf/QK6IgS7gz7dBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:06.798954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015805
observed 91e8d82213cf80e4fc6992699f06169c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:06.780817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015805/manifest.json
observed 06476d4885db098848af7cc5e1d549ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:06.764401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015805/publication.md
observed 82f938a6923b6d3b60014228188a1071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:06.747957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015805/publication.txt
observed 64f77c1be8608b60d26a2122360b3088...
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.