OpenTechnical

OT-2026-000005659

Publication integrity record

Porous face vacuum gripper, common isolation valve, six outlet manifold, two stage ejector, 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-2026-000005659) never changes.

Identity and time

Publication numberOT-2026-000005659 · never reused
Internal UUID01a0a940-849c-759a-907e-c39b6a2f354b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:12.895381Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005659
StatusPUBLIC

Content hashes

Canonical text66e76d5d494bc63f96d1e69f5744f886d5eac2a24273733a4557bf498b8241c1
Markdownbcbfb655b04dea43e20f37b939989615ad6492d72b0a351d83f4607868718d3e
PDF
Publication page053ab8af66405cfc08d6be874463b6c2ba4776a010ed3371e211770b7e0d19ec
Manifest746f648d4386ec71b5cc9468c60ec7e99068d0fc903f19413f179a07247cf1bc

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
Signature06j58uLOfNz6hoD36sxfWawcirWqznFyUEpeXKogzBwAeysUdcn2gpIdVPuh0E6ZlZxS8VuYTe9qZCkFxOzeCw==
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

2026-09-16T08:10:15.184038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005659
observed 053ab8af66405cfc08d6be874463b6c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:15.169230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005659/manifest.json
observed 746f648d4386ec71b5cc9468c60ec7e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:15.153085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005659/publication.md
observed bcbfb655b04dea43e20f37b939989615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:15.140059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005659/publication.txt
observed 66e76d5d494bc63f96d1e69f5744f886...
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.