OpenTechnical

OT-2026-000053314

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump 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-2026-000053314) never changes.

Identity and time

Publication numberOT-2026-000053314 · never reused
Internal UUID01a0ae85-0a15-719a-8c2c-15d50eedaabc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053314
StatusPUBLIC

Content hashes

Canonical text7ce950670a5f0b9e9fa458e7243ca0201b4d9a82280a5efbea00a98247898983
Markdownaaf65dd5a6daf15c2c1d7e2fd27ebb99dcfdeffa1cde4454f4212b5624b89e0f
PDF
Publication page6f58871e439d2f2e9f6c8fc78ef72872687a9976c6c71564cc91f743f090a48e
Manifest6218bf5a91a20bf798d8468ce982183c589f93ad288574d0242b38e8eec83a22

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
SignatureodvSZpOcp3wPljFIgxaYosBmC72M5v998OLM61zldhFE37xYCcLauWRuIOe2eDFXT++oSlhqjHFrCnlGaSrwDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:00.481046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053314
observed 6f58871e439d2f2e9f6c8fc78ef72872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:00.460163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053314/manifest.json
observed 6218bf5a91a20bf798d8468ce982183c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:00.431633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053314/publication.md
observed aaf65dd5a6daf15c2c1d7e2fd27ebb99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:00.412395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053314/publication.txt
observed 7ce950670a5f0b9e9fa458e7243ca020...
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.