OpenTechnical

OT-2026-000023300

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000023300) never changes.

Identity and time

Publication numberOT-2026-000023300 · never reused
Internal UUID01a0ae70-7268-71f3-b635-81536c6bcab5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023300
StatusPUBLIC

Content hashes

Canonical textbc743fb258010201d8230881c808f92213c3b05e23eb09e6c55c257707f26be0
Markdownc18caf822bb42396389bc1bc21b2275796637556f6e42fa0cd8503713bf53e7f
PDF
Publication pagede8971cefb2bec8fa3bba45cfbb239633babf7802917d311b7d20531cd635ce0
Manifest7b18c8123a8e300b68cc0238bac17b23d35b6bfe6c57cfafdd97cfff8fd45d7e

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
SignatureVfGd+AOtOBA9g9mq+HglHbU7eSM5zfNojyh8jb5HRc0BV+njR3sRO6mL6zHOkQuo2cooiqx9USYMcdEsYStMDA==
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

2026-09-17T11:51:22.881084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023300
observed de8971cefb2bec8fa3bba45cfbb23963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:22.864152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023300/manifest.json
observed 7b18c8123a8e300b68cc0238bac17b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:22.848286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023300/publication.md
observed c18caf822bb42396389bc1bc21b22757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:22.829938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023300/publication.txt
observed bc743fb258010201d8230881c808f922...
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.