OpenTechnical

OT-2026-000061450

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000061450) never changes.

Identity and time

Publication numberOT-2026-000061450 · never reused
Internal UUID01a0ae8b-7b43-7c54-8439-86e17a6c9ca9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061450
StatusPUBLIC

Content hashes

Canonical text7c8c5e668eac5d1c033e6874694fdbb131729fe33c46cac42667d06d2951658c
Markdownf5eceba457b68d7bb33781bcff58c1157f093b574cfda5476ad861e95191fa20
PDF
Publication page8280679c72fad69dde6bb39fbe06939c288267d082cd497497ceca6abbe78136
Manifest6cf88a5c7e1af583b9d7787c0adb9c2b43b0b3a119a3114d7122a0319ed37f28

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
SignatureV3mwsZRBqhXFjTqRKqe5gncVg/CTQ9MZE7DAYMFHS4PoMgkl6RFmjGbHRaaA81q9ZPCHyLX2AI/T13xFwOQXDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:19.897641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061450
observed 8280679c72fad69dde6bb39fbe06939c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:19.879730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061450/manifest.json
observed 6cf88a5c7e1af583b9d7787c0adb9c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:19.860516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061450/publication.md
observed f5eceba457b68d7bb33781bcff58c115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:19.841821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061450/publication.txt
observed 7c8c5e668eac5d1c033e6874694fdbb1...
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.