OpenTechnical

OT-2026-000071380

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000071380) never changes.

Identity and time

Publication numberOT-2026-000071380 · never reused
Internal UUID01a0ae91-e0ed-7fba-95c1-0d5497ec31bc · 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-2026-000071380
StatusPUBLIC

Content hashes

Canonical text900a22f225e0172eefc8c111ec62a2fd3f5cc027437363e2a0f8498fc35b06f5
Markdown5dca895ff9f69e7869d8dae840f781b0a9b6b027ed2d867b04c0b353d0ac289b
PDF
Publication pagebed7648aec181a2c0e1c8a65cd150e235b23e3b0fe5d2991b8918a829157d262
Manifestd0d5ec32ace8d1bdea0ab8bc7585d95326aa3833e11ed0b64650737401f9d838

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
SignaturelY5QAVAlaL8hGvx3HUg5AEJG+yVt68jmts2b45/HJmVV+QAp+sZRopznRFvNmuYZ5iEqgSOkSZ29BHUAAhaBBQ==
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

2026-09-17T10:24:59.944590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071380
observed bed7648aec181a2c0e1c8a65cd150e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.927662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071380/manifest.json
observed d0d5ec32ace8d1bdea0ab8bc7585d953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.910632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071380/publication.md
observed 5dca895ff9f69e7869d8dae840f781b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.895060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071380/publication.txt
observed 900a22f225e0172eefc8c111ec62a2fd...
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.