OpenTechnical

OT-2026-000037179

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000037179) never changes.

Identity and time

Publication numberOT-2026-000037179 · never reused
Internal UUID01a0ae77-7741-7eb3-b9f6-96aed1f8c481 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037179
StatusPUBLIC

Content hashes

Canonical text7cd8e22cbcbe1ebab62d7c3922627e732a555bde6e8c59d44a7db8e376c14498
Markdown763f6d55754a98d7ebaf60d39534c83d3b3f665b1c1f08d15384104135235312
PDF
Publication page2fb944ce5df7784f08096671ef92854389223c308dcdbe3e7d5dc31e34c1e3a4
Manifest7a67372e0c5fde9450eeef25e86205f7d3b93a5e59b1b4db60bf519c19cdf66e

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
SignaturegTcT49ARxsDniklfwVG0+x8BQ/+8GNgMNf7hV7pkKt9E4Ef1CnlLQwTPTqft1FmrUpXoxWldLtV7IAaAa7cnDw==
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

2026-09-17T11:25:03.776935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037179
observed 2fb944ce5df7784f08096671ef928543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.759386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037179/manifest.json
observed 7a67372e0c5fde9450eeef25e86205f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.744410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037179/publication.md
observed 763f6d55754a98d7ebaf60d39534c83d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.728079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037179/publication.txt
observed 7cd8e22cbcbe1ebab62d7c3922627e73...
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.