OpenTechnical

OT-2026-000085889

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000085889) never changes.

Identity and time

Publication numberOT-2026-000085889 · never reused
Internal UUID01a0ae99-e829-7cbd-92c0-8e042ef73f1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085889
StatusPUBLIC

Content hashes

Canonical texta87f2644f9aea3c07ac3e7a4b078d64c781781caf5092582aafd92dc585bf0bc
Markdownd9573c87b5a9bb8c48462603dde8c6540bc49a9d3408e179321b79f9075f074b
PDF
Publication pagedeb512602340c2da6da3304c119adb6f8de589b0d42ab41352581096e18ec5ca
Manifestc15d5c974cb9cccd488c13a1ade4c4e1cee84056c767810555eba9fdec25517a

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
SignatureBBansMHy9UIGK1osb+b5pdtGtd2mdg36abYjlNi5u78mGUZIJ7DPz3vgMK5AaFGefxfHsPhmrwC9B8xTW6weAQ==
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

2026-09-17T09:52:49.748343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085889
observed deb512602340c2da6da3304c119adb6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.732124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085889/manifest.json
observed c15d5c974cb9cccd488c13a1ade4c4e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.716082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085889/publication.md
observed d9573c87b5a9bb8c48462603dde8c654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.698879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085889/publication.txt
observed a87f2644f9aea3c07ac3e7a4b078d64c...
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.