OpenTechnical

OT-2026-000070519

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000070519) never changes.

Identity and time

Publication numberOT-2026-000070519 · never reused
Internal UUID01a0ae91-5460-7a25-a085-b8d4735e6498 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070519
StatusPUBLIC

Content hashes

Canonical text42c863f0afa5cec514f99d7870bcd7601048f80276c588b9d659345f8017e848
Markdown45278f6cfdfdb666c4e8c8fe49762881bfd25872fc7769be47c74858ee89b082
PDF
Publication page9bfc207efd03faa497d1252aeefefcd7321171ec5f62fff1869d364fa45a27b2
Manifesta3ad0f2ac09126f612cf7f8612f8803ac4490ca60e6e46875f6b693ea154e078

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
Signaturel8xhFOvdql+DyREiXf8YX8Rwdn9JhXs7JiOYUjo0HvoboBxJbxqiqtd6XTwRr/7EZ2l5RK+bI8V1SkT1o/lkAg==
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

2026-09-17T10:26:21.792063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070519
observed 9bfc207efd03faa497d1252aeefefcd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:21.773366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070519/manifest.json
observed a3ad0f2ac09126f612cf7f8612f8803a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:21.755628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070519/publication.md
observed 45278f6cfdfdb666c4e8c8fe49762881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:21.736639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070519/publication.txt
observed 42c863f0afa5cec514f99d7870bcd760...
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.