OpenTechnical

OT-2026-000054199

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000054199) never changes.

Identity and time

Publication numberOT-2026-000054199 · never reused
Internal UUID01a0ae85-b3a8-7d56-bda6-66a00950d4ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054199
StatusPUBLIC

Content hashes

Canonical textb44407057307c8751581df6cf4b78e8e64a40b65d91e23be6e78401ef105b136
Markdownc97a93938b24e6ea103da27fc0e26deb066560dd0ac2a3f66428b334a0912526
PDF
Publication page493389d4980a11fca24bf354d5886f266a4bad75846fbc3fb214d6a4faaa4eff
Manifest2e7af8eb6948815a0f871baf8b90b7e7c03b6bd7c8b55eb4f9535d518ced41b2

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
Signature5O9rqSjvzVOpE7CtH1JduvKomTuAD3fKVoGXhifmmll92YbTXoOpew578wvCSALDs3YnHzfjfBJcsQ9ZkrdlAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:27.886750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054199
observed 493389d4980a11fca24bf354d5886f26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:27.870199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054199/manifest.json
observed 2e7af8eb6948815a0f871baf8b90b7e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:27.852711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054199/publication.md
observed c97a93938b24e6ea103da27fc0e26deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:27.834882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054199/publication.txt
observed b44407057307c8751581df6cf4b78e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.279113ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054199
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.264736ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054199/manifest.json
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.240538ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054199/publication.md
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.225200ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054199/publication.txt
observed ...
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.