OpenTechnical

OT-2026-000017556

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000017556) never changes.

Identity and time

Publication numberOT-2026-000017556 · never reused
Internal UUID01a0ae6e-76ca-769a-96b4-fc7af6fe4de4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017556
StatusPUBLIC

Content hashes

Canonical text524cdabbb13e366ba4edba7913576757361612109ee1e7710a58328e948ea756
Markdown32755d2fcb59283825999610da1a48e882db7b451fdeacd0e3ae56bfef743d6f
PDF
Publication page7846a43d9bfeb7e23fd7323cfbc8dc46a9cafb6a02b01b92a44c8f4bad3fe058
Manifestcc8d36601ddeaa2b55ce6e1fe9c6194a55779e4b223c9f1d911375ae56a1dba4

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
SignatureupGOLfJLqdkk/ZgoQMRSdMvbLfz1jCSTvHgItfCNgp1HtdM1kdIKzQU8NkcTrWOEaVweEauD3cf32TTML17mAg==
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

2026-09-17T12:02:43.460192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017556
observed 7846a43d9bfeb7e23fd7323cfbc8dc46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.442197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017556/manifest.json
observed cc8d36601ddeaa2b55ce6e1fe9c6194a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.424156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017556/publication.md
observed 32755d2fcb59283825999610da1a48e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:43.406947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017556/publication.txt
observed 524cdabbb13e366ba4edba7913576757...
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.