OpenTechnical

OT-2026-000037974

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000037974) never changes.

Identity and time

Publication numberOT-2026-000037974 · never reused
Internal UUID01a0ae77-f88a-77b3-abf8-4545ae6f86c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037974
StatusPUBLIC

Content hashes

Canonical texta07c74e01ba0bc51ac747d8cb02abad0550da5cf1582c4c42257de9bd1e47b63
Markdownfd417dc811182b92d5f064944657a46e7e496d405f12d25eed162cb23e8e837b
PDF
Publication page58315d3a10d49fecd541e02cb1741812767c6314016723ff9bee8af25b701d28
Manifestb89cedb34116bf5c11f54ffc95afa7101c1ec8261d3fc31bd5874caec8238d1a

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
SignatureaxTQMNIQ666qT2YedE4rNU1idx6xZrawnQP/JNwuw7jlBwsYTgyZhoTVZpTya5/PJd0bAZ5JAKKe9tz0m6TTDQ==
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

2026-09-17T11:23:16.037086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037974
observed 58315d3a10d49fecd541e02cb1741812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:16.018715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037974/manifest.json
observed b89cedb34116bf5c11f54ffc95afa710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:16.001817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037974/publication.md
observed fd417dc811182b92d5f064944657a46e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:15.984943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037974/publication.txt
observed a07c74e01ba0bc51ac747d8cb02abad0...
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.