OpenTechnical

OT-2026-000082816

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000082816) never changes.

Identity and time

Publication numberOT-2026-000082816 · never reused
Internal UUID01a0ae97-8cc9-7feb-aea8-0895d0a0c39e · 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-2026-000082816
StatusPUBLIC

Content hashes

Canonical texta9608dbc498a2f701fc50f7c91b8263652b5b9ae7a7e728d8fced62a14e26433
Markdown07b7a2bfb598a2437be599f6b0e7c8121abd01d878b14e2b6cb53a1f312d4be9
PDF
Publication page5501f29a5ce2939a210875af508e4d1fe5c8be258990fb942bfae1efef8a4fbc
Manifest144a8a795db269261297ee52403487a2b7ff1f695ccbfce7a26b9c9f6c94021e

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
Signature3E7hIywqJ8vNhn8iymedhGzN8aJdZn41oQ7JcziUrSaYJGy1MuYWBlitRO1vltRpRjSpLLIsGwZFgKGBG9UOBQ==
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

2026-09-17T09:58:24.748774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082816
observed 5501f29a5ce2939a210875af508e4d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.730441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082816/manifest.json
observed 144a8a795db269261297ee52403487a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.712475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082816/publication.md
observed 07b7a2bfb598a2437be599f6b0e7c812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.696291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082816/publication.txt
observed a9608dbc498a2f701fc50f7c91b82636...
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.