OpenTechnical

OT-2026-000008811

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed blow-off after set-down

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-2026-000008811) never changes.

Identity and time

Publication numberOT-2026-000008811 · never reused
Internal UUID01a0ae6a-e46c-7af0-b7cc-d2c95c28a4da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008811
StatusPUBLIC

Content hashes

Canonical textb40aca4f0d42658270bb84e410c58a0f9f37626a6a3261f03fa443fa11fb36e6
Markdown15f66f6421dba78a31b26ac127575dc1d84c84e5afa500eb8f89b644df8f3281
PDF
Publication page7cd82c8bd4ae8dc497401f778cf2f003fa133cfc47d68dc159b566074a4c636a
Manifest7496e279de257bbda1456e02762b4856879ce7bcf495263297359ae85d2114fa

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
SignatureHuw4f/mHqOyV3trU/GbPxCV+3ZDnrVaw0mK5OcNWY4DVz9ulD3CMUcyLsWFGgiW4T+A9SO1HkzVwkQuQK2p5Bg==
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

2026-09-17T12:20:06.147556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008811
observed 7cd82c8bd4ae8dc497401f778cf2f003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.129121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008811/manifest.json
observed 7496e279de257bbda1456e02762b4856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.112058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008811/publication.md
observed 15f66f6421dba78a31b26ac127575dc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.093283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008811/publication.txt
observed b40aca4f0d42658270bb84e410c58a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:45.155266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008811
observed 7cd82c8bd4ae8dc497401f778cf2f003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:45.140092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008811/manifest.json
observed 7496e279de257bbda1456e02762b4856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:45.120753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008811/publication.md
observed 15f66f6421dba78a31b26ac127575dc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:45.102838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008811/publication.txt
observed b40aca4f0d42658270bb84e410c58a0f...
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.