OpenTechnical

OT-2026-000049183

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000049183) never changes.

Identity and time

Publication numberOT-2026-000049183 · never reused
Internal UUID01a0ae81-134e-745f-a589-cefdc8c41bbf · 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-2026-000049183
StatusPUBLIC

Content hashes

Canonical text0677ebe3246fd3c93172f4ab844c9749e8371ddddacafe291390def2c16eb4f6
Markdown480e1b3efffad29809003ad1ae1fe8a0982954a3b35029236211c441c8e7d0f5
PDF
Publication paged8c726897157cc8f6c4ed15a340184b294c28633150974ed4e76bdbc32a4a8cc
Manifest1edfc4b3ca740fc25087b5916e0e242b41fabdd4fd4fd2ecb503e8fc349c960f

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
SignaturekXz1X+4MNiPFDdmebFbTD1tpjIMueDd4KlVesBwf2C/EHU6QvfkuqBRtwJHkHW4im67HZBc6+X9E4BAZmzaUCQ==
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

2026-09-17T11:03:59.372234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049183
observed d8c726897157cc8f6c4ed15a340184b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.354834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049183/manifest.json
observed 1edfc4b3ca740fc25087b5916e0e242b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.335539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049183/publication.md
observed 480e1b3efffad29809003ad1ae1fe8a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.316197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049183/publication.txt
observed 0677ebe3246fd3c93172f4ab844c9749...
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.