OpenTechnical

OT-2026-000049914

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000049914) never changes.

Identity and time

Publication numberOT-2026-000049914 · never reused
Internal UUID01a0ae81-fd76-708b-8f23-e43206bb0ae5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049914
StatusPUBLIC

Content hashes

Canonical text0eafa4db7f0d0e809ec6afa190a39b515f1fc18cd2ab841326d9ed9b0495c458
Markdown9a02ab95503ce1ff1fdf15b21f5a96ee1fda7ce13e3874fb89b3cf26f81466ba
PDF
Publication page63e70b6a348efaddcac20404c387f21dda6bf83deda3ccbd2d60d091c7cfd26c
Manifestf3f0017bce5628c7caeb12886d33bd25c0b80d91b9144c37f16212835d7546c9

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
SignatureFdXyX4W4Rk9/M2FAlj/F8eUx2wfYVe2P0W9c8mCLHrKTM8Q8UCfAdziRxXpS5Oa/0CVuKsQcySWkwUHX1g3+Dg==
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

2026-09-17T11:01:50.347528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049914
observed 63e70b6a348efaddcac20404c387f21d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.327464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049914/manifest.json
observed f3f0017bce5628c7caeb12886d33bd25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.309779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049914/publication.md
observed 9a02ab95503ce1ff1fdf15b21f5a96ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.291366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049914/publication.txt
observed 0eafa4db7f0d0e809ec6afa190a39b51...
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.