OpenTechnical

OT-2026-000081649

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000081649) never changes.

Identity and time

Publication numberOT-2026-000081649 · never reused
Internal UUID01a0ae97-0f72-7f7b-b1bb-ef6700b28eec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081649
StatusPUBLIC

Content hashes

Canonical texte2e60799b6893b9b0f14ebc122b308743f7604f3e95c969e3ec6385cc89cb1e2
Markdown0f00e5d13a0b2014762ff6c285abfcc4e81aa900c7220c74b74e35c85b1bd7ac
PDF
Publication page4ae3357c1e6585a0c504a9c5d498f5ece67f3fbda0e53d949a03f247d9229053
Manifest4223e60e616eeb90eb684ea132b3edffa12b31a1c7f6f49ae413bc5e6c3246a7

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
SignaturehGC0XWV57ymPVHukNFZhLTsRbSiSGibZ+PGtKwp8jksUkEF1g2kBPsZnzlELQUb7SInwaB62OmxLR6wHr/sgDw==
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

2026-09-17T09:59:42.131647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081649
observed 4ae3357c1e6585a0c504a9c5d498f5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.114528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081649/manifest.json
observed 4223e60e616eeb90eb684ea132b3edff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.097720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081649/publication.md
observed 0f00e5d13a0b2014762ff6c285abfcc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.081100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081649/publication.txt
observed e2e60799b6893b9b0f14ebc122b30874...
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.