OpenTechnical

OT-2026-000071270

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented before 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-2026-000071270) never changes.

Identity and time

Publication numberOT-2026-000071270 · never reused
Internal UUID01a0ae91-e0ec-76c3-b5db-792cb451f3ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071270
StatusPUBLIC

Content hashes

Canonical text3fd2bdf23f502621347e4c25804e0b530915dcac6217df8182b21d5888d55db8
Markdownfdc568d3f6694d079348a92ec97bc96f55896ab45333dabeffa0955f6bc6c01f
PDF
Publication page165bbe1d686e6122594e5700a2b3571cd2baa4e4bfc2dae86db3637202b39a77
Manifest73177b964d793a1c749aba51f7fa0bd55e233e8882905188e05ff922667d8a19

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
Signature9mK2cV/mHiLsO0A4hVpIyZldLdOWjQ1KEbyU8aMMCpvu6vlvUpz3b4Xhi/P7JktwgosptdlX/dNRXHSHh4ZPBw==
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

2026-09-17T10:24:49.915045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071270
observed 165bbe1d686e6122594e5700a2b3571c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:49.895007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071270/manifest.json
observed 73177b964d793a1c749aba51f7fa0bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:49.876935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071270/publication.md
observed fdc568d3f6694d079348a92ec97bc96f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:49.859742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071270/publication.txt
observed 3fd2bdf23f502621347e4c25804e0b53...
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.