OpenTechnical

OT-2026-000080877

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000080877) never changes.

Identity and time

Publication numberOT-2026-000080877 · never reused
Internal UUID01a0ae96-b974-7856-91d9-510a6ac747e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080877
StatusPUBLIC

Content hashes

Canonical textbd741032822635ae8ab661abcc1271c0dac2650abf9ab4961380ec3eb13a2f96
Markdown1a0aff8ca366060c4399bee09d10eb7210cd5028dcad7b14c5c7f3af95373ed3
PDF
Publication pagebbdb4e5ff73935b554994bd31273d8b6a50a8f20a6292d85e08a853bcfef7e73
Manifest60ac05b99e4043d002124864d66f37feaf1f0732bed73737ea4a4dcb9beebf44

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
Signatureo5k+8KOF87rEEjWXLBq1xn+eCk+XmgL92jVNxnt1pJJF2fVe7y2CwKWSCUJL31x3CqnV6gNCOVQCafbcBAldDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:04.582128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080877
observed bbdb4e5ff73935b554994bd31273d8b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.564066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080877/manifest.json
observed 60ac05b99e4043d002124864d66f37fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.545297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080877/publication.md
observed 1a0aff8ca366060c4399bee09d10eb72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.528125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080877/publication.txt
observed bd741032822635ae8ab661abcc1271c0...
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.