OpenTechnical

OT-2026-000007870

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000007870) never changes.

Identity and time

Publication numberOT-2026-000007870 · never reused
Internal UUID01a0ae6a-908a-7237-8c26-80c473703a74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007870
StatusPUBLIC

Content hashes

Canonical text0f58d20871ba13b3b0b33d9c77f01a32bf90cc3ee50c2ef7cc40ff0a1f612ccf
Markdown1f7fa0ef154389e8e532c898ccd6cd5226d5e7f301f26b25e623febdb2b1dc95
PDF
Publication page64058a8a712d98caf06972d14867d7a97c29e32bbc48af40926e8b4e582b949e
Manifest49da6cea634c998529c86fed831d2af4c8da1034703a18c45ffa854730acf7a8

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
SignaturesKbS3/4eEN/fHHXbOBPau7EYuBA63UyTaYkifpnScQAua3VPksL/dUnxYfu/OiUxZLb+T1bPDYuq6PnHucIyCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:19.415685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007870
observed 64058a8a712d98caf06972d14867d7a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.397413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007870/manifest.json
observed 49da6cea634c998529c86fed831d2af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.376130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007870/publication.md
observed 1f7fa0ef154389e8e532c898ccd6cd52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.356456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007870/publication.txt
observed 0f58d20871ba13b3b0b33d9c77f01a32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.332669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007870
observed 64058a8a712d98caf06972d14867d7a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.312027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007870/manifest.json
observed 49da6cea634c998529c86fed831d2af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.295088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007870/publication.md
observed 1f7fa0ef154389e8e532c898ccd6cd52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.278660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007870/publication.txt
observed 0f58d20871ba13b3b0b33d9c77f01a32...
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.