OpenTechnical

OT-2026-000049798

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after set-down

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-2026-000049798) never changes.

Identity and time

Publication numberOT-2026-000049798 · never reused
Internal UUID01a0ae81-8ff0-7702-9136-09829c80f963 · 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-2026-000049798
StatusPUBLIC

Content hashes

Canonical textc180e709cf9bedc5251427fb52c3ecbe5915fcc14583a291688886120d158259
Markdown6b244e9379767e7b7309af84ba3b4bacceadc7c013bf955733c57ca65e0739d4
PDF
Publication page8c65396102dcfc3af363d5e18db958ed57b3e71f3c5eba0f7b62cf90d82ea421
Manifest49fcdefb356106bf9d1a05d16ff406dd2303b1a4478f363d57b3f92be92271a0

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
SignatureK5WQgliJHCCgz2/dvlrMtIPaWS7eZWajLi9v1i1ZAkE7ReL/JeHINyBTGBRh0XoU/xGG4pIKOWUMzLfz+U2sAg==
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

2026-09-17T11:02:55.304422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049798
observed 8c65396102dcfc3af363d5e18db958ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.285675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049798/manifest.json
observed 49fcdefb356106bf9d1a05d16ff406dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.266497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049798/publication.md
observed 6b244e9379767e7b7309af84ba3b4bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.245630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049798/publication.txt
observed c180e709cf9bedc5251427fb52c3ecbe...
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.