OpenTechnical

OT-2026-000049303

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000049303) never changes.

Identity and time

Publication numberOT-2026-000049303 · never reused
Internal UUID01a0ae81-1350-70dd-a5cb-8bf6bcfc5624 · 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-2026-000049303
StatusPUBLIC

Content hashes

Canonical text1cbdaae38e49b1058272010d9e6f03396b1f15fa7c553bef8d6cad510452d56a
Markdown53178182e46e0a1e7d0f9ac58087d10a3635bbe6420ec867ee1077ed91dc2cf6
PDF
Publication page3ea2ec03faec24a2ec5145ee42b99013499435fd5547252436ed45467785d445
Manifest4a493160cfe4cda6932d376fa83bf9e27865b292ec1b37e0059d8f6f946a54fb

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
Signaturey4BlGxNFkt3pSVQplFL1qPUCBfIpcqtd2nf0z4sICaTaN52v/mOCbXIt0EFvOk1yAN68eaERcenYGmJG2qh6Cw==
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

2026-09-17T11:04:10.102690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049303
observed 3ea2ec03faec24a2ec5145ee42b99013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.083937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049303/manifest.json
observed 4a493160cfe4cda6932d376fa83bf9e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.064376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049303/publication.md
observed 53178182e46e0a1e7d0f9ac58087d10a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.045433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049303/publication.txt
observed 1cbdaae38e49b1058272010d9e6f0339...
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.