OpenTechnical

OT-2026-000049292

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000049292) never changes.

Identity and time

Publication numberOT-2026-000049292 · never reused
Internal UUID01a0ae81-1350-7bdb-a4a4-c21f8e711f7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049292
StatusPUBLIC

Content hashes

Canonical text771beebb2b6c5f56e8969326c0383279763cf91182b501fb63beb5e60d037040
Markdown715b6e1acd8c8190ad26dccd3c271f9de83e8201ba6d85ec4ac93c67d48bd18b
PDF
Publication pagefefaac475124a32b0c48f5443fa859890df72e0d02698c4c790e1e8d486c2641
Manifestbef0cf511eaf8ca372d8fcf2c1951b1b3160e24f93131dad53f95095ec497f4b

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
SignatureJT4EOUmQ2H84L4k2QRhYHURU1/UwuJ+5CMUgmkFadBD4ppGWvYIwymXNY2Q5U60eatUuUwxB1mC7JyGtzsuzAg==
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

2026-09-17T11:04:09.216213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049292
observed fefaac475124a32b0c48f5443fa85989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.195624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049292/manifest.json
observed bef0cf511eaf8ca372d8fcf2c1951b1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.176679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049292/publication.md
observed 715b6e1acd8c8190ad26dccd3c271f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.157498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049292/publication.txt
observed 771beebb2b6c5f56e8969326c0383279...
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.