OpenTechnical

OT-2026-000069591

Publication integrity record

Foam pad vacuum gripper, three zone face, six 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-2026-000069591) never changes.

Identity and time

Publication numberOT-2026-000069591 · never reused
Internal UUID01a0ae90-b52b-7581-9f4a-04bdd907a952 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069591
StatusPUBLIC

Content hashes

Canonical text7ce3816c3fc8cf824a556305a0c50fcdc396b45f9cd5f3401e7ed50b36d164b4
Markdownb2bebd1622396124d97aee3de0126fc94009f28ee92c37f57ff73918e284ddff
PDF
Publication pagec370e83d620c46bdd62713ec2b528fd3641cd66d0f667256adc5050927f7d822
Manifest9a15d4e16fde308e65006c7945429a597bf1fe7f8eecea9c890d582315665c0b

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
SignatureELvs7Y64t1wM3v1SALHO7Y2bVQFIyoZXEC4Q7DxrGc3GgNuCf3tMmVVwI7r9j7x7kA/k0Jnu3x+Eyq3wTUtQDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:14.960277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069591
observed c370e83d620c46bdd62713ec2b528fd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.942581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069591/manifest.json
observed 9a15d4e16fde308e65006c7945429a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.924108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069591/publication.md
observed b2bebd1622396124d97aee3de0126fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.906760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069591/publication.txt
observed 7ce3816c3fc8cf824a556305a0c50fcd...
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.