OpenTechnical

OT-2026-000040632

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000040632) never changes.

Identity and time

Publication numberOT-2026-000040632 · never reused
Internal UUID01a0ae79-6d0e-75bf-9863-022f9ea19bf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040632
StatusPUBLIC

Content hashes

Canonical texte5df0d09623c905be6672629c709c2e85c0b9327b14aeb22b8cd2749c55a1949
Markdown7c4ff4ec5b70184ee828a0db7fb36e7821b0c4091f50ca2ed10bfed6c3f1ef32
PDF
Publication page269d476828a226744546e533a8567ee5fc0dd4f6857f784036533b587314d59c
Manifest3aabbc6c16e8b467ad58811611928e5003668d65c2db1650bed6d4fa4b04f1d5

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
SignaturedOMP4fqX4RZGP/UZOZo7OggQa5jEdpbjRiHL3ogI2YSsE2qwcGWp43fP6PvGu85lLnyMYgMraGb8ppLVX2ltBA==
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

2026-09-17T11:17:48.863477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040632
observed 269d476828a226744546e533a8567ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.845605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040632/manifest.json
observed 3aabbc6c16e8b467ad58811611928e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.829159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040632/publication.md
observed 7c4ff4ec5b70184ee828a0db7fb36e78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.810017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040632/publication.txt
observed e5df0d09623c905be6672629c709c2e8...
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.