OpenTechnical

OT-2026-000012505

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000012505) never changes.

Identity and time

Publication numberOT-2026-000012505 · never reused
Internal UUID01a0ae6d-39f7-7681-945f-aa00b5275fc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012505
StatusPUBLIC

Content hashes

Canonical text15103c240cd1cd4ad1f406aaed21965683fb2f554732f40015a31f4dcc18c078
Markdown61e9e29477bf01d91450edd00c5374148118943181ee293b05c00c85699a92eb
PDF
Publication pagedeea3c166543e8b1aff98eac7cc19f8932f8f01ee4c64a7889e6739d65a240de
Manifest9c19be809e98b34c1955bcbf571af482ccc13ee219472f2ef710bdcacc2a4b80

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
Signaturen/eI2U67qGosy/6A/KvCGE0xEkaPTHC3cEtDUaC4x6uGhq7gdD3yl5r0jNLyffCW1Ru5nTXiB+w3rPwzYQqdBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:01.498854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012505
observed deea3c166543e8b1aff98eac7cc19f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:01.477315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012505/manifest.json
observed 9c19be809e98b34c1955bcbf571af482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:01.457986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012505/publication.md
observed 61e9e29477bf01d91450edd00c537414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:01.439278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012505/publication.txt
observed 15103c240cd1cd4ad1f406aaed219656...
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.