OpenTechnical

OT-2026-000072157

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000072157) never changes.

Identity and time

Publication numberOT-2026-000072157 · never reused
Internal UUID01a0ae92-47c2-7c50-b027-9aaf37f4f1dd · 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-2026-000072157
StatusPUBLIC

Content hashes

Canonical text16d3568a056ea287d2e5a5217b6743dc1e3739957d92183af2fe9677d74c0aa5
Markdowna17cc92d5fec3d1d2c7bbc4790ec3fcc857571c808c7ed9ba5d89dff089f135d
PDF
Publication page1a784500c3132a13342b756fb29973c7d2b1e45f2b42231f23da415c61424e13
Manifest8f8672370b334afd2da7513627a03b05d178f2f73d83ed86bfe1ac4bfe7c6900

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
SignatureBndm/td06T0f4Dm7qNGeGJJrjFQddKcO1oO5DVvosDTnZvKahDrM6dOGe/hhUXyyFRIcBWpyL+cLv8q/G0jrAg==
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

2026-09-17T10:23:15.291385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072157
observed 1a784500c3132a13342b756fb29973c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.275456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072157/manifest.json
observed 8f8672370b334afd2da7513627a03b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.253506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072157/publication.md
observed a17cc92d5fec3d1d2c7bbc4790ec3fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.235750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072157/publication.txt
observed 16d3568a056ea287d2e5a5217b6743dc...
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.