OpenTechnical

OT-2026-000005501

Publication integrity record

Bellows cup vacuum gripper, three zone face, common isolation valve, ejector fed, contact triggered

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-2026-000005501) never changes.

Identity and time

Publication numberOT-2026-000005501 · never reused
Internal UUID01a0a93b-1336-72b0-8086-e65ac4b9dbe5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:00:16.186168Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005501
StatusPUBLIC

Content hashes

Canonical texta852ac66853fd233f5844025cf961f0e577a1b5e088afd162946356bfc90fadc
Markdowne552ec607fea02fe4aa11109cc35b6b7817562e9b32cea4e073bf291b9bd78ef
PDF
Publication pagef36ae667ec11e84ca158d468b039fb7f781c1f2e9bbe8db3825c198afd05e7af
Manifestba1d73141d3df05015c90d9b4b44fc813c47fba7412c7484ecb42680a8bcd7d2

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
Signature6k+DHIgrQf5dWa+YMlUyEl33D2IKVmLPh3iF+6+stDOdQheUwRo5z9wHi+TX4GtZj1sD2UPcBlWYTHWF77lCCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:33.400007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005501
observed f36ae667ec11e84ca158d468b039fb7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:33.386814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005501/manifest.json
observed ba1d73141d3df05015c90d9b4b44fc81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:33.372607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005501/publication.md
observed e552ec607fea02fe4aa11109cc35b6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:33.232920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005501/publication.txt
observed a852ac66853fd233f5844025cf961f0e...
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.