OpenTechnical

OT-2026-000071678

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000071678) never changes.

Identity and time

Publication numberOT-2026-000071678 · never reused
Internal UUID01a0ae92-1e91-7802-8819-f78f918ba0d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071678
StatusPUBLIC

Content hashes

Canonical text7caebc384e9d403ff71e6364a4f4924dc0b3336d94eb063836e066957d7d46db
Markdown9d0a210085f64bf34e49728e1aade0efe59ce4f455e6177da06c53f07a66bc21
PDF
Publication pagea5954c41258de08a6de20f4f5ad387243e91f6e1b50fbb9103d1f23fcd9d7f3c
Manifest8d77d2b2d182db1522e0cd8f7bcd23cddcae3b22fd784a7d5fecd30b33d13cbf

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
SignatureP5rBoYXe3q+0uYaoNJo1CjHsopDajkBQ88WEcKPHnv0D1AsA+FYQocfpK95qxQ49GtzTXE1LsmYs5gs/EYtjCA==
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

2026-09-17T10:23:43.096614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071678
observed a5954c41258de08a6de20f4f5ad38724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:43.069347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071678/manifest.json
observed 8d77d2b2d182db1522e0cd8f7bcd23cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:43.042205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071678/publication.md
observed 9d0a210085f64bf34e49728e1aade0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:43.016731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071678/publication.txt
observed 7caebc384e9d403ff71e6364a4f4924d...
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.