OpenTechnical

OT-2026-000072513

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000072513) never changes.

Identity and time

Publication numberOT-2026-000072513 · never reused
Internal UUID01a0ae92-89d8-7605-84bd-b54ad5a373a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072513
StatusPUBLIC

Content hashes

Canonical textcd42b511c99c4f7b49a5aadb5e7aa3d2f05e04495793f448818777e572b5526e
Markdown56f60f62eeac93556cdc5e4482205dd6ca2bae5f7f8e41ef28cf2526cca5afa7
PDF
Publication page508c62e6e2fba9cd283671238ac23d954ad9b39067633424b6064f7029c892be
Manifest5f4eabba3292738f6ef52b1cb915058dbe33b4683a34d461c5359fad04300e2c

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
SignaturewW9HUWq2aHip2f1kz/a4aqgt8QMfzK6JmSLqC+Kn0XEvTz91XBzecRfrVKDjzqCr8rfBngj4fW7gDYt5d+8xDA==
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

2026-09-17T10:22:20.548313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072513
observed 508c62e6e2fba9cd283671238ac23d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.530338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072513/manifest.json
observed 5f4eabba3292738f6ef52b1cb915058d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.511377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072513/publication.md
observed 56f60f62eeac93556cdc5e4482205dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.493083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072513/publication.txt
observed cd42b511c99c4f7b49a5aadb5e7aa3d2...
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.