OpenTechnical

OT-2026-000034323

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000034323) never changes.

Identity and time

Publication numberOT-2026-000034323 · never reused
Internal UUID01a0ae75-df0e-74c0-835f-a1d78deb8f1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034323
StatusPUBLIC

Content hashes

Canonical text7bfec2cec71c36a9ea689011755a70ad55a40460522ded8ea61db902e23c8683
Markdown0d680af532b606a82b5164236cc54c5e5a7de7bc3d46538c5c88702a8fb4ff04
PDF
Publication page8d935ae06d112b5fd74c9c9e031cdca4268ea18c280546589bc19d2a47fbd3e6
Manifestea4c23ac8f02efadc5c4788fcb1111b978b8c7dd4ac645e7aa708d90c3485ad2

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
SignatureEnG+P/Oc937hbTk/Eok5/v+ETayWxrAaOmGay2eueBe0+yWjNEFHYFVelxagaa1JLBwMCEDFKLwJ6fAkRw79CA==
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

2026-09-17T11:31:01.047180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034323
observed 8d935ae06d112b5fd74c9c9e031cdca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.029721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034323/manifest.json
observed ea4c23ac8f02efadc5c4788fcb1111b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.011504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034323/publication.md
observed 0d680af532b606a82b5164236cc54c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.995879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034323/publication.txt
observed 7bfec2cec71c36a9ea689011755a70ad...
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.