OpenTechnical

OT-2026-000016212

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000016212) never changes.

Identity and time

Publication numberOT-2026-000016212 · never reused
Internal UUID01a0ae6e-2d11-7101-9550-5051d92faa72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016212
StatusPUBLIC

Content hashes

Canonical textd2f1afd8a7f3deeca833bd01a27afd2b444f958fdeb86df5e4dd63925886a0da
Markdown275c0688a2811209ff158e158750800012014ba1a1c6e7871aa394d5488615e3
PDF
Publication pageb9890060a41476bc5b57e238c678c8fa25a7a33b01d81cdae51417a5a2a26ae0
Manifest5796cbcfc8e5bd599ac76db55ea89cb38800c724bcc489414b6027cb7c0737a0

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
SignaturevdQ5M37tq0l1vidFL54FiiBv47Pq5axVoFCeF8xFha00fn1lxzhT6b7W/NB99Q1qXWDzZCpXegsOwSJmAXn9Dg==
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

2026-09-17T12:03:40.397513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016212
observed b9890060a41476bc5b57e238c678c8fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:40.380837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016212/manifest.json
observed 5796cbcfc8e5bd599ac76db55ea89cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:40.363470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016212/publication.md
observed 275c0688a2811209ff158e1587508000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:40.344922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016212/publication.txt
observed d2f1afd8a7f3deeca833bd01a27afd2b...
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.