OpenTechnical

OT-2026-000100312

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000100312) never changes.

Identity and time

Publication numberOT-2026-000100312 · never reused
Internal UUID01a0aea3-3053-7352-b629-2e3d21e33ec6 · 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-2026-000100312
StatusPUBLIC

Content hashes

Canonical texte555889745937ccc00fdaa87e35187b42e19972abca58ed21a3be66cc7c2a045
Markdown8938d91ba8b5200b033b7bd0a4515c3aba378ae4f717f8df3ed741ab17d47256
PDF
Publication page1147a6cd997245f2bd6c3cc4bb0db09a7fa9d690dd1ded1f8b477b1b4b8f3208
Manifest455187bd5febc89e0eb2b03284be5956e319e0426a49434890919eb74307e45c

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
SignatureIfoh9ttIl3EJl80nQXybpUnfc5YxevjiM1ASG2EM0xATx8wRQh42GdKHM8tGp5AlmK8N1h5JX1DRkU1F8V0SAA==
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

2026-09-17T09:30:14.861921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100312
observed 1147a6cd997245f2bd6c3cc4bb0db09a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:14.839232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100312/manifest.json
observed 455187bd5febc89e0eb2b03284be5956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:14.821909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100312/publication.md
observed 8938d91ba8b5200b033b7bd0a4515c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:14.802568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100312/publication.txt
observed e555889745937ccc00fdaa87e35187b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.615819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100312
observed 1147a6cd997245f2bd6c3cc4bb0db09a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.598555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100312/manifest.json
observed 455187bd5febc89e0eb2b03284be5956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.579174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100312/publication.md
observed 8938d91ba8b5200b033b7bd0a4515c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:37.560954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100312/publication.txt
observed e555889745937ccc00fdaa87e35187b4...
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.