OpenTechnical

OT-2026-000049802

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000049802) never changes.

Identity and time

Publication numberOT-2026-000049802 · never reused
Internal UUID01a0ae81-8ff0-7140-9337-4036c12e370a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049802
StatusPUBLIC

Content hashes

Canonical text60ca8cabdc0b07bf561b9eda861b47eb2c591c711310e0f60d65b0107c22e6bb
Markdown5f129964e4553714a10196b215a3c8798a8247b4add2d8336b7945c7f5040d32
PDF
Publication pageea99f0cb4ab06fd0a39bff0cf8f0c6d0982e31daf32ff36b158736a95cb90c28
Manifest21a41ce2e2c4c1cf4324f14cff67df93c1467d9a0830ecb81df7caf5be051a5e

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
Signaturel0ItnwA7XY2hyhCBDfYTbV72jQ3fTJhs9Q6f74IoIcf6H8AJqkJmsCWgzitZr5kuT61ZgnVonu4d+wK/iop4Aw==
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

2026-09-17T11:02:55.631641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049802
observed ea99f0cb4ab06fd0a39bff0cf8f0c6d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.612526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049802/manifest.json
observed 21a41ce2e2c4c1cf4324f14cff67df93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.590351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049802/publication.md
observed 5f129964e4553714a10196b215a3c879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.571642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049802/publication.txt
observed 60ca8cabdc0b07bf561b9eda861b47eb...
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.