OpenTechnical

OT-2026-000029066

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000029066) never changes.

Identity and time

Publication numberOT-2026-000029066 · never reused
Internal UUID01a0ae73-2a9f-7538-ac56-19d9ec4f4ca4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029066
StatusPUBLIC

Content hashes

Canonical texte373382fe9cc8f8f9514d891be46d95a9066393793f060ed2edddd2830a366f7
Markdowncd2bc6b3837651e5433eb901cbc2f9164c0f7b8e0702371c952e9e2af2cb7387
PDF
Publication pagedb8e8a8366e451eea1dee4ee5d3d9961c8d16461e1219c539786a761b871b407
Manifest756313fa01378aa37edac36c0578ed93ef380505f6d9dd9b190138179bfe5361

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
SignatureZL7WV9zfRnYotuj786lZbXZC5PDEnrYECTi7VyjWpiRPbHKvbGQPfUI53/umQZ8UxkxHOjDa34ClD3Em4er4Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:20:44.483749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029066
observed db8e8a8366e451eea1dee4ee5d3d9961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:44.465592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029066/manifest.json
observed 756313fa01378aa37edac36c0578ed93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:44.447328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029066/publication.md
observed cd2bc6b3837651e5433eb901cbc2f916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:44.298793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029066/publication.txt
observed e373382fe9cc8f8f9514d891be46d95a...
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.