OpenTechnical

OT-2026-000080861

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000080861) never changes.

Identity and time

Publication numberOT-2026-000080861 · never reused
Internal UUID01a0ae96-b974-7943-be7d-67b07dcf3bcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080861
StatusPUBLIC

Content hashes

Canonical textd161ec7744579abe220ae0ac6c9c7bc3035f6d695c55e6856139bdcfde93f2c5
Markdown890a6bc73d1e95d0667cb35ef17ae544cc74221280b391051a0b1b4d4b0d3c20
PDF
Publication page47ad36373767ae9f3e7f921b115ce5ac4adf3a92327c8917bf5ab7601360cc56
Manifesta2ca606f9aea6cc7c72aceceb081ac9b756b42f461f5f6db1a5126a7d910305e

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
SignatureDIv11qqO8+dDDfW6p2Woqf0cQWvcaeSh78y4IwBca02H7qawMcfXUnqR391YsJ59YRJnDRVD+k41e1+J48xUDg==
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

2026-09-17T10:02:03.349796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080861
observed 47ad36373767ae9f3e7f921b115ce5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.331640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080861/manifest.json
observed a2ca606f9aea6cc7c72aceceb081ac9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.313595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080861/publication.md
observed 890a6bc73d1e95d0667cb35ef17ae544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.296953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080861/publication.txt
observed d161ec7744579abe220ae0ac6c9c7bc3...
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.