OpenTechnical

OT-2026-000003604

Publication integrity record

Bellows cup vacuum gripper, two zone face, three stage ejector, pressure verified at each zone

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-2026-000003604) never changes.

Identity and time

Publication numberOT-2026-000003604 · never reused
Internal UUID01a0a90a-8254-72e4-b63d-bc79e737fa74 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:13.366674Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003604
StatusPUBLIC

Content hashes

Canonical text35f3a0dae126f709ac85062c2b8d2c11ac2bb2ec7ffdbcabd7e0b01eb140ffde
Markdown59dab7abf48005b429f8d2270319a6c45654288dfce39f7b30cc50a902bbcf5d
PDF
Publication page946c20512736b576733cfa8bc7bcf413b4b98a146bd0eff7d9b0fe56f0243c1c
Manifest9fc5a5788e411620f13b8d2212f36e010e272f8cecff852ea800cdf2c0f544db

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
SignatureGU/FSPyp5U1UDUIIsu/boCbWnUnbSt50VR5Z7yScar3lNChC5nP+n8nYeF23TLxX4GVTiXNfiosAV6mP7WwpCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:40:34.655882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003604
observed 946c20512736b576733cfa8bc7bcf413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:34.641678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003604/manifest.json
observed 9fc5a5788e411620f13b8d2212f36e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:34.623931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003604/publication.md
observed 59dab7abf48005b429f8d2270319a6c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:34.473298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003604/publication.txt
observed 35f3a0dae126f709ac85062c2b8d2c11...
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.