OpenTechnical

OT-2026-000008823

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000008823) never changes.

Identity and time

Publication numberOT-2026-000008823 · never reused
Internal UUID01a0ae6b-31b6-7339-8a7b-e184163ad07f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008823
StatusPUBLIC

Content hashes

Canonical text39cef76971c17210009e905722a790cf6a5e336708a6d49cd009bfe27d7e7836
Markdown6802f6b9f8cd2eb643a5716dc75e925510af5abcd8096f8ff0c0ef285f7a6283
PDF
Publication page26124dc4ca63db5f08817d9b6dc6e9d545d81bebbfd091bf9ad7a22b2ce03102
Manifest69bcd3d9ab97c490ee7ddc56ec0a6e28d13afad6a0755c44a8120772174c088a

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
SignatureCLWNe9BmMsr5mVGW/TbzHhbOu8//EIisjSB7/skrMlr0dPEsY/CCpnR22UjGhJyeVmiLC79Ke/pEBw72gmoeBA==
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

2026-09-17T12:17:23.065165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008823
observed 26124dc4ca63db5f08817d9b6dc6e9d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:23.044060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008823/manifest.json
observed 69bcd3d9ab97c490ee7ddc56ec0a6e28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:23.019441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008823/publication.md
observed 6802f6b9f8cd2eb643a5716dc75e9255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:23.000407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008823/publication.txt
observed 39cef76971c17210009e905722a790cf...
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.