OpenTechnical

OT-2026-000030076

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, sustained 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-2026-000030076) never changes.

Identity and time

Publication numberOT-2026-000030076 · never reused
Internal UUID01a0ae73-ac4a-7e75-9cb7-75f400114e5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030076
StatusPUBLIC

Content hashes

Canonical text56ac156610b6852fe891e9b80e96a739800cc58c6d6795109f8f1cf9fea46bec
Markdownf320443284f57219c4228e842d187081d6ccdfc2ad7f22768aa874a676a2f667
PDF
Publication page6621d75e71c69cda9311d73cf971c752cc32c02d0260fb64767e41f8ca927de2
Manifest94d1efdaec5e96190590989469b5b96b9737f59406caf539b45c834f856f2537

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
SignaturexCyEgXuAU9XLxFa2o/wuNCRaguDbXj2X1o2ffeA9f3AQLaPp6JNSw46lFB3Qf+0uIOCjHBonO1jZlNAkxjcMDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:38:49.320767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030076
observed 6621d75e71c69cda9311d73cf971c752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.299493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030076/manifest.json
observed 94d1efdaec5e96190590989469b5b96b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.278202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030076/publication.md
observed f320443284f57219c4228e842d187081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:49.261582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030076/publication.txt
observed 56ac156610b6852fe891e9b80e96a739...
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.