OpenTechnical

OT-2026-000033462

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, pulsed 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-2026-000033462) never changes.

Identity and time

Publication numberOT-2026-000033462 · never reused
Internal UUID01a0ae75-a38d-7b02-9a85-e5202a2085c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033462
StatusPUBLIC

Content hashes

Canonical text18c97551d68ff00baf8aaaa1a771bd5c0deb9571c226a411eb4e6592862cbcb3
Markdown3793759fe98fd77ebf472e19ed5a7c1e92c735bc45a74d5b98daef776a3de75b
PDF
Publication pagebe873878ded072bdf2152cd42fd6d68139fe6744b69b4c87f708fcb8515ac3b0
Manifest99d53dda143c424937158a40a46fb17a224a09a6cbb97bbdb521f500987e0b63

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
SignatureAif+zWdArOtm66KZDATh8LtFwmsXwh4UgA1EyL5ruB9o8DLC9RyHfk3LMwVZRFxh9o/yVnt5zKI10VVrzekcDA==
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

2026-09-17T11:31:18.084469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033462
observed be873878ded072bdf2152cd42fd6d681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.065469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033462/manifest.json
observed 99d53dda143c424937158a40a46fb17a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.047965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033462/publication.md
observed 3793759fe98fd77ebf472e19ed5a7c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.027608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033462/publication.txt
observed 18c97551d68ff00baf8aaaa1a771bd5c...
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.