OpenTechnical

OT-2026-000085137

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, sustained 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-2026-000085137) never changes.

Identity and time

Publication numberOT-2026-000085137 · never reused
Internal UUID01a0ae99-43b9-7043-8279-7ee457a927b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085137
StatusPUBLIC

Content hashes

Canonical text0c0687709654004c7f341591e4b97f2b8113a7309e7c79e4634dc01e4aef418c
Markdown7d67c1efe520fc34d86a85938d401f968fbaabaca9efabca99cfd1fe5c5706d6
PDF
Publication page5d03a03f8432ea84b4e632856a5ff73f1ac41d958f98b45d9821708c998cd5bb
Manifest8ed8eede5ce13de72b059f47e12ee0ba06ce2474b7465ddab5d05dcf8c3fc922

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
SignaturetD9TielQwq2GFfUMkYNvcbLtlRVLU4TNvg4jeHD6M4iDLgdZUBh6aeGoS2axTDvGzEoioCeamB1zk4HY10VBBg==
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

2026-09-17T09:55:12.846032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085137
observed 5d03a03f8432ea84b4e632856a5ff73f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:12.829483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085137/manifest.json
observed 8ed8eede5ce13de72b059f47e12ee0ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:12.811440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085137/publication.md
observed 7d67c1efe520fc34d86a85938d401f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:12.795345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085137/publication.txt
observed 0c0687709654004c7f341591e4b97f2b...
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.