OpenTechnical

OT-2026-000036843

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000036843) never changes.

Identity and time

Publication numberOT-2026-000036843 · never reused
Internal UUID01a0ae77-773e-790d-8e7c-22ea0a6159fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036843
StatusPUBLIC

Content hashes

Canonical textb597d4b2ca69355a89dc52d05640c0e5fb22f5303ab681ea5d6d2e117e7f14e4
Markdowne8e63c10d8a6a5a9480fd140064b000662c9afc6d0d1f57875df45a4aff83d13
PDF
Publication pagee85880ac66b011934dd1bb7b82bf3781c17aefadf172304b5e64ed8b5a00c171
Manifest8a897ccee741312972b4decc1a14b796509d6ff60ea38911a0eb6dffaa324527

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
SignaturekBwxvZD+tXX9ysx3N6L54mA/mCdnzCiML4i8Fa3MrTZ0zONXe+0m1tLPV18rwmnr1O2LvjSeRMo1boo8TS4NBw==
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

2026-09-17T11:24:28.090344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036843
observed e85880ac66b011934dd1bb7b82bf3781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:28.073591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036843/manifest.json
observed 8a897ccee741312972b4decc1a14b796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:28.056731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036843/publication.md
observed e8e63c10d8a6a5a9480fd140064b0006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:28.038951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036843/publication.txt
observed b597d4b2ca69355a89dc52d05640c0e5...
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.