OpenTechnical

OT-2026-000068842

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000068842) never changes.

Identity and time

Publication numberOT-2026-000068842 · never reused
Internal UUID01a0ae90-6dcc-7dca-895e-b1b5c44a2ce4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068842
StatusPUBLIC

Content hashes

Canonical text67276447f5236917e090a9517ed69452c56a423b924053e8edeefa41ca47d66d
Markdown428c2a27f6a0b8eae4dc6a0eaf059b3a35a851504d626e178b22a773b246c809
PDF
Publication pageeb5249de29562d786889178f25ecbf2b56a084b8a541362a5ce6b25b20706f94
Manifest7e6fbb35165d725e590ad40fc28e4837fbe3ebc628065dc23f299586b01f4700

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
Signature2hLOlU+8iXSJA/+5LjwqWztyU+6BZRsaM03UFhZaTOIkc0g5pAF8xKtgryxhVandlj9HPltOJ+SbIsQFJb+dDg==
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

2026-09-17T10:28:38.938503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068842
observed eb5249de29562d786889178f25ecbf2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:38.921679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068842/manifest.json
observed 7e6fbb35165d725e590ad40fc28e4837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:38.904605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068842/publication.md
observed 428c2a27f6a0b8eae4dc6a0eaf059b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:38.886223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068842/publication.txt
observed 67276447f5236917e090a9517ed69452...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent