OpenTechnical

OT-2026-000044158

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000044158) never changes.

Identity and time

Publication numberOT-2026-000044158 · never reused
Internal UUID01a0ae7b-d67b-7383-ba62-15dee87169a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044158
StatusPUBLIC

Content hashes

Canonical text117336f14a4177684c92d8ac47016677c9a95b254dae4e8261391ce3d6647d08
Markdown78cf694252a601743a8b19412797e4b4b65e8f411c6fb3927c4a082ae5606c63
PDF
Publication pagea6915f3deee15326eac9dd9e7fbecb49d8c973f67c99924a5c05da0924a3c7b3
Manifest841a180895c824f80a9e248657c2afee04148a3719105a6de9bf4eee86dd25d3

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
Signature0JTHEorm+c9NusIPjdxpDN7xUepxd9gmxgs43X67YvNzIM6mY6rx2AsTBEnxyYQE/RyQlvr8asAIQ2MY8gZ4AQ==
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

2026-09-17T11:12:35.120927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044158
observed a6915f3deee15326eac9dd9e7fbecb49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.102484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044158/manifest.json
observed 841a180895c824f80a9e248657c2afee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.084530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044158/publication.md
observed 78cf694252a601743a8b19412797e4b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.065834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044158/publication.txt
observed 117336f14a4177684c92d8ac47016677...
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.