OpenTechnical

OT-2026-000082912

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000082912) never changes.

Identity and time

Publication numberOT-2026-000082912 · never reused
Internal UUID01a0ae97-8cca-7fa9-a0ab-6b62d86b8492 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082912
StatusPUBLIC

Content hashes

Canonical text9e59329978ef0622a30ea35fbc691f7b8725faf779f69a90f3d3dea1e51d3510
Markdown23c80f2c4aa13a7eb310bda442c2f453330821f2d7e2f3e28b6c2dd8c1f961f3
PDF
Publication pagef019f72bb9f9c58826ce2c74085f65ef0c0f11a89b154763571ff9663784b386
Manifest5afa2f71fe99f174a1c7332bb6787bf3b54e54233a1ddbd25d300b9215fc2b0d

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
SignaturefMqGwBLQzPzpn6eZBt9ZhRhgo3sOzeQKW0kvyrW6Kp1sV6hwNi2SOKQDP2ayd1WD6S5mqbS2JJeOhb08PFuTDA==
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

2026-09-17T09:58:36.126145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082912
observed f019f72bb9f9c58826ce2c74085f65ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.109605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082912/manifest.json
observed 5afa2f71fe99f174a1c7332bb6787bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.093900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082912/publication.md
observed 23c80f2c4aa13a7eb310bda442c2f453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.077454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082912/publication.txt
observed 9e59329978ef0622a30ea35fbc691f7b...
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.