OpenTechnical

OT-2026-000052278

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000052278) never changes.

Identity and time

Publication numberOT-2026-000052278 · never reused
Internal UUID01a0ae83-e791-7406-a7c8-1ecc2491369c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052278
StatusPUBLIC

Content hashes

Canonical texta0904cd1552c2a19dbb1be1614f5d3ee30926a713159bf0cf92de90fd7f773f8
Markdowneef3bf4f53f7632d32b9af31f9e3a580724671d6f940e1d89abf854402d3a050
PDF
Publication page95354333a0aaafdd5490f4c22403392a306bcdc866457612729e89f190b80172
Manifest1e785e4cf8e9aa62a24351115c8d3bf3ba39fccbd2dad1d51538ffb974ca2bc7

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
SignatureV3UkxEyDKXE5P5RCafKwan8z+VFbgfpXY9BZbiBnfhp5WzK9sz3udB+WHnqNEWABrbwbO3txa4WguCbzpCHUBg==
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

2026-09-17T10:57:52.104361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052278
observed 95354333a0aaafdd5490f4c22403392a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:52.086321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052278/manifest.json
observed 1e785e4cf8e9aa62a24351115c8d3bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:52.066080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052278/publication.md
observed eef3bf4f53f7632d32b9af31f9e3a580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:52.045259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052278/publication.txt
observed a0904cd1552c2a19dbb1be1614f5d3ee...
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.