OpenTechnical

OT-2026-000071277

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000071277) never changes.

Identity and time

Publication numberOT-2026-000071277 · never reused
Internal UUID01a0ae91-e0ec-70e6-b7a0-f429cc60a209 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071277
StatusPUBLIC

Content hashes

Canonical textd00d60c7dbae8996877d3d2bfe8959882e98371ef9c1fb45714464587760e2ec
Markdown581ffd4579e0a2705b27ca9331c7dafc88d7855c811fefc191a3ad1740b83730
PDF
Publication pageb8757c0bac786567ef1f56583858b9cd94e6ef8f7a54441efa7c9a018ec24b00
Manifest2fc37411d17778d7d15dd8d18b62f5450efb25c561a183ab59c3ae0e8b5598b1

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
SignatureMK8FsJRfhY9OMzS5UAnaI76su2aoRBY+BTb3dgvrtxglUucuBCmnjZWZYHeFhuDoZjQCv8N3UZ8irCIt8TQsCA==
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

2026-09-17T10:24:43.574178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071277
observed b8757c0bac786567ef1f56583858b9cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.557186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071277/manifest.json
observed 2fc37411d17778d7d15dd8d18b62f545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.499730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071277/publication.md
observed 581ffd4579e0a2705b27ca9331c7dafc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.439649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071277/publication.txt
observed d00d60c7dbae8996877d3d2bfe895988...
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.