OpenTechnical

OT-2026-000053167

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, 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-2026-000053167) never changes.

Identity and time

Publication numberOT-2026-000053167 · never reused
Internal UUID01a0ae84-a432-7ad3-9cce-bd8c74430a4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053167
StatusPUBLIC

Content hashes

Canonical texte255cc64837c5a532bff95ff51922df481998663ea39ee69a1c849501f7ad76c
Markdown3e242a768ae6cdd41e5e8719cdc4afeead179e23d497236c1cc4aaae428497b4
PDF
Publication paged482d0bf7efd9a8be0c6b08c9eeb0f07ef474411e413421b8bf1dee0abeea704
Manifeste749e6f59fd924fe3b3944caf07deeab757845420477afaf2ab767b1409c4c5e

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
Signature/0AFwBdYn6MzvTakqlHnZg+TZlT9tm76hkoTbGWr2WFd7HvZYn8H9BLInhh6vn7smS0TsLy8Jlg782Jv7dGMCw==
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

2026-09-17T10:56:59.384064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053167
observed d482d0bf7efd9a8be0c6b08c9eeb0f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:59.368205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053167/manifest.json
observed e749e6f59fd924fe3b3944caf07deeab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:59.351400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053167/publication.md
observed 3e242a768ae6cdd41e5e8719cdc4afee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:59.335622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053167/publication.txt
observed e255cc64837c5a532bff95ff51922df4...
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.