OpenTechnical

OT-2026-000081392

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000081392) never changes.

Identity and time

Publication numberOT-2026-000081392 · never reused
Internal UUID01a0ae96-f375-7152-aa07-b33e4d8aafd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081392
StatusPUBLIC

Content hashes

Canonical text44db8157982a820695f5bf549778382ff644536bf6ec1630c9a4de5ee36e21a1
Markdown3dcad59ef1abf9f6839f97def0d43e7ec1c754a2aee8685645cf86df91a05cf1
PDF
Publication page8a177a51b43d1adc020a34951d9f068da4e34b250e09926f0fe7cd0e707f179d
Manifesta5925ffa60f5c632a78636287bbf1660b5432e4eea695fb2d9285e8d0cd229b2

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
SignatureWfEOYCuCnlElxQiIL+1iVnOQ90on9LnVfaDSD3+DoxQX9GpEZoVGJXfqWfsMO91w3QFNTBOqzucsG3h7+BSsBw==
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

2026-09-17T10:01:32.073737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081392
observed 8a177a51b43d1adc020a34951d9f068d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.055406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081392/manifest.json
observed a5925ffa60f5c632a78636287bbf1660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.037924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081392/publication.md
observed 3dcad59ef1abf9f6839f97def0d43e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.019498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081392/publication.txt
observed 44db8157982a820695f5bf549778382f...
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.