OpenTechnical

OT-2026-000048294

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000048294) never changes.

Identity and time

Publication numberOT-2026-000048294 · never reused
Internal UUID01a0ae80-4de3-720c-9826-487ce366af33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048294
StatusPUBLIC

Content hashes

Canonical text7fd5c7c7bd9ece757be1fefd7cb98bdf62b4cffb8d9bd8401b6e965b8b639088
Markdown1545b4818d4cda68593ca50492e0953cba6618142c180f76842cc66e57d874a1
PDF
Publication paged493bf73ce20222487b6ef62d1463a4d50e8bd4b1542eabe660d6b41fc9bbc23
Manifest6d38ec90b0cda36b2378b77a3bba0a47c0d9f8b760d93d8331a79cf6e1e3e45f

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
Signature75bdDksf2FtUdNkU9Z7ppF9r06xx1E444Bv/61dc/0o43w58/PDsNiTxd18Y7jSW1PCanM7rizETvCj0V6muDQ==
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

2026-09-17T11:04:52.905304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048294
observed d493bf73ce20222487b6ef62d1463a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:52.885442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048294/manifest.json
observed 6d38ec90b0cda36b2378b77a3bba0a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:52.864409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048294/publication.md
observed 1545b4818d4cda68593ca50492e0953c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:52.845865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048294/publication.txt
observed 7fd5c7c7bd9ece757be1fefd7cb98bdf...
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.