OpenTechnical

OT-2026-000049026

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000049026) never changes.

Identity and time

Publication numberOT-2026-000049026 · never reused
Internal UUID01a0ae81-134d-71ef-a0ac-6ed39f96d56d · 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-2026-000049026
StatusPUBLIC

Content hashes

Canonical text497dff691b4ca9f34ea2d1b16e78d0e76362a1c68c42157ba5a6c868d7c89a98
Markdownb6a36994d72de5ea1bfd088be1d266a9afef2655fab65f82e3e2cf399f6d2ee9
PDF
Publication page429c63df2864512d0fdcba45488085925acd91264fed25f44a2dc0119bda551d
Manifest640b2cc652d8e4136b8d3f1f2bb6b2c954af43412dbbf8f1c3db24c887aad0ee

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
Signature0DIJgxzddwM7TXEtRK8LOmWsdKQy2zqC2/cd1SW0YR2hMDUR8n3mujJUstu6mxhBD9Py/hzy1QWEoorb0lkNCw==
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

2026-09-17T11:03:14.749946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049026
observed 429c63df2864512d0fdcba4548808592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.730379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049026/manifest.json
observed 640b2cc652d8e4136b8d3f1f2bb6b2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.710377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049026/publication.md
observed b6a36994d72de5ea1bfd088be1d266a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.690274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049026/publication.txt
observed 497dff691b4ca9f34ea2d1b16e78d0e7...
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.