OpenTechnical

OT-2026-000068014

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000068014) never changes.

Identity and time

Publication numberOT-2026-000068014 · never reused
Internal UUID01a0ae8f-c4fe-74e8-b84a-922ef9e8cb70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068014
StatusPUBLIC

Content hashes

Canonical textecf4e44b88d60f3c21d48e7bbd1603b1c530fa5c44fa493bb5e98a7a0bb0f253
Markdown5852d8d6c2aa489b1263e7a8f16e677cd00dd2f56f89d5567e857b6da7ee31e1
PDF
Publication page7727eaffab05146741301c13eef21421d43551dbb37d98dd93442f01856f250e
Manifest9e5786232b859d177c9129574512f20293bf531f02b9465752913baf6c6b23f0

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
SignatureusGFiH265nA9w1iJMCG3W5kMmx1Q5Eg7igD2b5p367kgDD7cOlgM5ml5C5Ml75D5OV69YtVcOjI2mwjwQxWqAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:34.296533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068014
observed 7727eaffab05146741301c13eef21421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.276540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068014/manifest.json
observed 9e5786232b859d177c9129574512f202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.258053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068014/publication.md
observed 5852d8d6c2aa489b1263e7a8f16e677c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.239850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068014/publication.txt
observed ecf4e44b88d60f3c21d48e7bbd1603b1...
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.