OpenTechnical

OT-2026-000100272

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000100272) never changes.

Identity and time

Publication numberOT-2026-000100272 · never reused
Internal UUID01a0aea3-3053-772b-bf49-a8062b3e14a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100272
StatusPUBLIC

Content hashes

Canonical text97659922b7b408530fdc8b6a8c7f7727752b77166eecac8fe48d4e10288821db
Markdown224164d827bbf4b6b3e94baccafbd06cee60d07d62d32edd4f8eababac238aac
PDF
Publication pagefc565c4f861f081f71a1d2a94b38e6e7f6417e6dfbb97fb6d2c7556bde46d244
Manifest33a858a8b3f04946bbc9dd72aec9c9eabbc89f845dcd066a9017ac247290f6f4

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
SignatureDZXzcNdKTDuq+VwHhXBYFrXGgEhrQf8E5oswjrhL/Y+lkPVAkLGSWcKmU58/6q8oaVKQ6nJJGBNB0FzDIS/+Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:04.908816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100272
observed fc565c4f861f081f71a1d2a94b38e6e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.891512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100272/manifest.json
observed 33a858a8b3f04946bbc9dd72aec9c9ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.875028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100272/publication.md
observed 224164d827bbf4b6b3e94baccafbd06c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.859416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100272/publication.txt
observed 97659922b7b408530fdc8b6a8c7f7727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.574615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100272
observed fc565c4f861f081f71a1d2a94b38e6e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.556151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100272/manifest.json
observed 33a858a8b3f04946bbc9dd72aec9c9ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.537724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100272/publication.md
observed 224164d827bbf4b6b3e94baccafbd06c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.520464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100272/publication.txt
observed 97659922b7b408530fdc8b6a8c7f7727...
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.