OpenTechnical

OT-2026-000037176

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000037176) never changes.

Identity and time

Publication numberOT-2026-000037176 · never reused
Internal UUID01a0ae77-7741-7128-b5a7-044fcaa5c611 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037176
StatusPUBLIC

Content hashes

Canonical text4ac72ae5e4824046ab494c25c18fb86e65718e57e401953709b5d28a5cb89fcb
Markdownf512eabd09d25e6e343c84fa9a33785a67c31fbdbf1db383efe1a17c692b6c91
PDF
Publication page34c9ca6949d5b58a104547577ad20ac32cbfef70ec80f127e8d16c5352b3512f
Manifest943e82a0a334832b236acdc182b5f75f9619e4b1009c36be83f3ba71e2a42141

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
SignatureFxqx1dvxdQwHWMdYx0gYwW0m6R8PfVkCNp7bvTg2sLq4GYkjeaWZL21PkSnr6GQze84he7a7eh2uWgjBAOBWCA==
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

2026-09-17T11:25:03.707943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037176
observed 34c9ca6949d5b58a104547577ad20ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.691172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037176/manifest.json
observed 943e82a0a334832b236acdc182b5f75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.674893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037176/publication.md
observed f512eabd09d25e6e343c84fa9a33785a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:03.656868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037176/publication.txt
observed 4ac72ae5e4824046ab494c25c18fb86e...
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.