OpenTechnical

OT-2026-000048953

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000048953) never changes.

Identity and time

Publication numberOT-2026-000048953 · never reused
Internal UUID01a0ae81-134c-79fa-87ca-07f72b746caa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048953
StatusPUBLIC

Content hashes

Canonical text268f5a993006b6ebd350f0b1ca87054563550f2afd7c0ef455e1f240cacbc705
Markdownbd1839219b453e6eb1fe1488d717437c292728531d6b1ab65432067aeef7b584
PDF
Publication pagec284286919819060fc7bfe23665fb6d3408d20a09b79d0736f57db74ace8381c
Manifest177dec70de989c605a540838799d6ae4f0494e59a6d282019851351f37d2e8ef

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
Signature7SChZ9N0y7RGXZ95qISy3GEVNFBJP6D5zxaUktdWJnk55AJJ9S8RUuNB0nhHgvE/UCMZZ3TTWLLT4Rli158hBw==
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

2026-09-17T11:03:08.691661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048953
observed c284286919819060fc7bfe23665fb6d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.672800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048953/manifest.json
observed 177dec70de989c605a540838799d6ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.653373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048953/publication.md
observed bd1839219b453e6eb1fe1488d717437c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.632743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048953/publication.txt
observed 268f5a993006b6ebd350f0b1ca870545...
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.