OpenTechnical

OT-2026-000086070

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000086070) never changes.

Identity and time

Publication numberOT-2026-000086070 · never reused
Internal UUID01a0ae99-e82b-75c7-9712-6f14b1a07897 · 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-2026-000086070
StatusPUBLIC

Content hashes

Canonical text1e8d5245b69ba27b7597e66f32b4be59bac8d270b9dce4fccfcfe78d22ee5c8d
Markdownc455ee69c4b5603c1311db6f24a91b22ec09355725764806ca0454b51b539517
PDF
Publication page4eb30ab9d68d67d83e96a66bfb76db67c0dfe6255a0d5c3adaada4e4429d0575
Manifestbcf986573f99bcb01b00239c4d08a6c1b6efe0e578a2023a32407382c8d05a28

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
SignaturezFaSAeQrMpFLeKWogA6zSglfH3oAX2Bz89tqjGlqpUhK5D+XD8lvGo05xaDwcOxd3i1nvoH5fTTeM67EXw2zBg==
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

2026-09-17T09:53:42.445425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086070
observed 4eb30ab9d68d67d83e96a66bfb76db67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:42.427272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086070/manifest.json
observed bcf986573f99bcb01b00239c4d08a6c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:42.408440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086070/publication.md
observed c455ee69c4b5603c1311db6f24a91b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:42.391553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086070/publication.txt
observed 1e8d5245b69ba27b7597e66f32b4be59...
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.