OpenTechnical

OT-2026-000074144

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000074144) never changes.

Identity and time

Publication numberOT-2026-000074144 · never reused
Internal UUID01a0ae93-7177-779c-9a5e-8ddccd538dd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074144
StatusPUBLIC

Content hashes

Canonical text786727ef9a4e41202a84e0574a71de0d027e95792a96c0cb0b89afb80ad4e2f4
Markdownfe21e328f0e8bbebf6af147ecbed7c749f59879605edda86a5ec40bc66392ca6
PDF
Publication pagef53cfb9aa581f442bdd38f47d649efbcec0f3a7e51229ab1706fe27aa4c6adcc
Manifest402d3a95bb460b82f6b1928761669f78945b5957e4ae5dfa7c8bc0a50c68c0e1

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
Signatureqg76DIVtSJxEZaasyfbKrTqDxBx5SqYR2PYDe/mOIDVg5VvcX+AaYHiFS0j0PhX046bpSDM/UCLQzgOdBS1SAQ==
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

2026-09-17T10:18:59.412305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074144
observed f53cfb9aa581f442bdd38f47d649efbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.396505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074144/manifest.json
observed 402d3a95bb460b82f6b1928761669f78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.379174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074144/publication.md
observed fe21e328f0e8bbebf6af147ecbed7c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.362633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074144/publication.txt
observed 786727ef9a4e41202a84e0574a71de0d...
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.