OpenTechnical

OT-2026-000049145

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000049145) never changes.

Identity and time

Publication numberOT-2026-000049145 · never reused
Internal UUID01a0ae81-134e-7e5d-8bbf-ea143d973029 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049145
StatusPUBLIC

Content hashes

Canonical text86d60f020cd258ea3bfac4b1007a64b8d0338abe9fb15f7146c3647ca14ed901
Markdown208094ece82bb54b010140a71b394c08fc13e56b6c1be0b5f782dcbee40ecc59
PDF
Publication pagef1c40be7c610f139efca57a279e306f6ba5dce2bdc702d092a1bea51e300a92a
Manifest43997f8fa9e67eb2a8626864d0eda6db2633db00a81b53def3607b36b1a45928

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
SignaturetWLAcLfEoirNbNd6fVefr/WwvoZ+2iTDv1UfrugpPSIjnhU0qCh5FKzxThfSqXBiTCrfPvN3i34+Kk632PsoDA==
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

2026-09-17T11:03:25.092849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049145
observed f1c40be7c610f139efca57a279e306f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:25.073268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049145/manifest.json
observed 43997f8fa9e67eb2a8626864d0eda6db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:25.055938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049145/publication.md
observed 208094ece82bb54b010140a71b394c08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:25.036766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049145/publication.txt
observed 86d60f020cd258ea3bfac4b1007a64b8...
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.