OpenTechnical

OT-2026-000098088

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000098088) never changes.

Identity and time

Publication numberOT-2026-000098088 · never reused
Internal UUID01a0aea1-e963-7c66-af60-aeabc7ce0bdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098088
StatusPUBLIC

Content hashes

Canonical texteb4649ba7df51da541b689793fdbe7033d5596c135f87bcc10826ee6851b8922
Markdownc267a694f9bc015b8eaa27d4b438031fcbec800125ce73ffe1bc7a5305a3398e
PDF
Publication page8540b2dfe2413f45bc7256277a27b6ef6a98764a246cfa55527b25fad820a884
Manifest971136d8de7d65fa8ce5db923bb4c289894d2d1346f72536266a86eef6ab96c5

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
SignatureFflrP4dt1P75/WNOCX7bn43UwP/M2EhYeTj/xTMrEp2YTu6tkexBmadB7BLufE3XYs/qSj/sZxX8Xgznc4WmAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:13.396042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098088
observed 8540b2dfe2413f45bc7256277a27b6ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:13.379519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098088/manifest.json
observed 971136d8de7d65fa8ce5db923bb4c289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:13.362216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098088/publication.md
observed c267a694f9bc015b8eaa27d4b438031f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:13.344992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098088/publication.txt
observed eb4649ba7df51da541b689793fdbe703...
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.