OpenTechnical

OT-2026-000070040

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000070040) never changes.

Identity and time

Publication numberOT-2026-000070040 · never reused
Internal UUID01a0ae91-1861-73f4-8135-42f386533db4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070040
StatusPUBLIC

Content hashes

Canonical texte1e6e8a28deddbc53df50c5fc49af8cf2d042d14136ec3d3fb0e200a8fcfccec
Markdown3454b26a1e951012a307cd26d6656cee6ec24aedb186bbdf675cdac997327f8b
PDF
Publication page8b748b508a560a05b7a3c5585d22e63e554875a69f6207336ae803791f06fa07
Manifesteee2023bf8acbd237033cb27dbf34c28030cb7df1042404a9511fadfc92dea1b

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
Signaturet3B8sM5AhuOhd1SE/LmvtK4Wo/6DJzfOpr2z/Ql27U2onoOE8WVuiv041QRB5hs1GnYdX2nRh9Z3zvdOoEToBg==
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

2026-09-17T10:26:59.737247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070040
observed 8b748b508a560a05b7a3c5585d22e63e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.718892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070040/manifest.json
observed eee2023bf8acbd237033cb27dbf34c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.701393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070040/publication.md
observed 3454b26a1e951012a307cd26d6656cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.682604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070040/publication.txt
observed e1e6e8a28deddbc53df50c5fc49af8cf...
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.