OpenTechnical

OT-2026-000024825

Publication integrity record

Single cup vacuum gripper, three 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-2026-000024825) never changes.

Identity and time

Publication numberOT-2026-000024825 · never reused
Internal UUID01a0ae71-2727-7281-9e5d-c2ff14f3eea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024825
StatusPUBLIC

Content hashes

Canonical text81dd84c52b735982fd4c21a739c8810ab0747513fec96ad90e6c34a4362cbcf1
Markdowna07dc05693ea0425c81d9f13b737e33882170e745e430aff9aa007e4eca9d0d3
PDF
Publication pagec8606144425b1382976bbe5516931a0713bc6f2cb9e744ad4b9c59a94d5c51a8
Manifestcf2ec79865cf4698e6af80af4ca813467fdbaabad550405058cd204e12a518aa

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
Signature1iJkR3JPyijevHSDVhpxMCavSZnib47RTQX+S0Df57ci9iYr7tqhOOhZ1b++Zc1GfBQ+ZBNeE1tj4vADaqK3DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:48:06.116737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024825
observed c8606144425b1382976bbe5516931a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:06.102011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024825/manifest.json
observed cf2ec79865cf4698e6af80af4ca81346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:06.085385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024825/publication.md
observed a07dc05693ea0425c81d9f13b737e338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:06.055931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024825/publication.txt
observed 81dd84c52b735982fd4c21a739c8810a...
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.