OpenTechnical

OT-2026-000082389

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000082389) never changes.

Identity and time

Publication numberOT-2026-000082389 · never reused
Internal UUID01a0ae97-4d96-7bce-8a24-4e4d89cdbc6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082389
StatusPUBLIC

Content hashes

Canonical text6e0b5311fc4097b6d748ba0537279c27005dc992b6591d65481a7fb2075eecce
Markdownb4e10bf08715a42307a2cb5495c892647236b16d5a0d66b6ec769ed514cde14e
PDF
Publication pagef187c79b6b484e43229d4dbd8a3146084db908428ba9790c66b2e8ac0ffa9303
Manifest98b3aedebf2398a6452b4f7a375812cf7ba21d62e660b1bc5f7c8a9edf0b5bcb

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
Signaturep4A6OCOhfvWf4K489kxGQEKvBxKeb8QrPFEAaQbNvTzWGD8Aa9GUbgPEMZyY2V0lqTzKZl+l/H8atZ9REAVgDw==
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

2026-09-17T09:59:16.244515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082389
observed f187c79b6b484e43229d4dbd8a314608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.227753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082389/manifest.json
observed 98b3aedebf2398a6452b4f7a375812cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.212195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082389/publication.md
observed b4e10bf08715a42307a2cb5495c89264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.193508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082389/publication.txt
observed 6e0b5311fc4097b6d748ba0537279c27...
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.