OpenTechnical

OT-2026-000008562

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained blow-off after 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-2026-000008562) never changes.

Identity and time

Publication numberOT-2026-000008562 · never reused
Internal UUID01a0ae6a-e46b-780f-b010-0589368c5ea5 · 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-2026-000008562
StatusPUBLIC

Content hashes

Canonical text989ec08b0829b4f8bbd9432eb3304a4becef3df0d704ee1ba08bf89ca12cbb56
Markdown34b139a1f8fb4df407b775f856c464f3725fe156f694b5217d85cfa93545fa23
PDF
Publication page172d714da920b613126fd9aa1552f09fee858d87fbb7c5c390847a8e8c2a1f2c
Manifest68b68e99ddb0d529602bde239016e0f8921d8311416b46717a4d68ec784bd2a3

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
SignaturewKRCkxqFtgl6MZIgXwoGAld7zuKuO+MRo25Sp2kctHsc9fmQezrePYEa4T6x459fZtzYgc99ersVA3iYnQsnDg==
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

2026-09-17T12:18:30.086218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008562
observed 172d714da920b613126fd9aa1552f09f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.063724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008562/manifest.json
observed 68b68e99ddb0d529602bde239016e0f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.041899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008562/publication.md
observed 34b139a1f8fb4df407b775f856c464f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.018467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008562/publication.txt
observed 989ec08b0829b4f8bbd9432eb3304a4b...
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.