OpenTechnical

OT-2026-000064115

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, 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-2026-000064115) never changes.

Identity and time

Publication numberOT-2026-000064115 · never reused
Internal UUID01a0ae8d-a45f-7f31-9daf-ac0fac77a406 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064115
StatusPUBLIC

Content hashes

Canonical text6876544c8cbc39188f8a34e214114e7ae0de1ca5f1e9ae789ba38e9f89965e17
Markdown44820cb2718246e503a0f2737208ca00958e3b15b5dc7b9fa53e964603a54a1f
PDF
Publication page76a08686793275beb011e899d2a2a2a27b3304b623bba9a7c4c0e1aa3a904247
Manifestc695e6b24f9edc3f6c99ba4339cdf7400c5f16330e12dc68cb2ebcbe4abb7525

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
Signaturehcuf0dDopHNIOZhzBSTsOuIKOv4i8jiVQLLewkywQ6elyIP43gZzmaes7Wq1a9L+k7iZfse4TTGhS+gFuHlBCg==
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

2026-09-17T10:36:06.667789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064115
observed 76a08686793275beb011e899d2a2a2a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:06.650597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064115/manifest.json
observed c695e6b24f9edc3f6c99ba4339cdf740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:06.631327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064115/publication.md
observed 44820cb2718246e503a0f2737208ca00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:06.612100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064115/publication.txt
observed 6876544c8cbc39188f8a34e214114e7a...
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.