OpenTechnical

OT-2026-000054187

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000054187) never changes.

Identity and time

Publication numberOT-2026-000054187 · never reused
Internal UUID01a0ae85-b3a8-75ad-b7d9-662def5ae697 · 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-2026-000054187
StatusPUBLIC

Content hashes

Canonical text26c926dc8c7f802520888781265c5e8db2f3b39c188ea18af784035cad2bb7b5
Markdown6a8873a005a5fb53dbff35b416eb8fbda76866efd75c0408bd71afd92077b924
PDF
Publication page4696dcd2ce270352c20bc73d107d5b38c32e2278d1677e9eb444c90c9e2aa639
Manifest9c69222d66c1a4369715da175f8054fa5481572e839788b4efe231cdfdf6ab61

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
SignatureqgIX6sdkNApNcuLeAO/e/33WLlzAcgnckipLkBGOURG4v4nOaIMl1JDchnIGy+Oqp848/cQMlKXN98LaVzDMDw==
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

2026-09-17T10:56:26.891945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054187
observed 4696dcd2ce270352c20bc73d107d5b38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:26.872841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054187/manifest.json
observed 9c69222d66c1a4369715da175f8054fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:26.856279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054187/publication.md
observed 6a8873a005a5fb53dbff35b416eb8fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:26.838304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054187/publication.txt
observed 26c926dc8c7f802520888781265c5e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.415675ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054187
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.398758ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054187/manifest.json
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.383560ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054187/publication.md
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.366790ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054187/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.