OpenTechnical

OT-2026-000087467

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, 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-2026-000087467) never changes.

Identity and time

Publication numberOT-2026-000087467 · never reused
Internal UUID01a0ae9a-cd51-7964-9f88-132beb377103 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087467
StatusPUBLIC

Content hashes

Canonical textc03c4f446ac78e807c657aa9cbc5f6cd7b4698f55db7afecc369cac5de28402c
Markdown17b8ac67f5f64d2870676fc1e975d72d0fa6288c3c1adb45d4c14e1c746e9215
PDF
Publication page5e697b708769b2b79b6b88fefd783094e6d267f186837b814974c4ab85bff88a
Manifestbcc3dab4afa3aed5cf4a8c7b1c67f0cf4b63b42d722982a401e4928198176897

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
SignatureY49huLTjN0lGuzznm7NaHJJ0rBxz8kI1GrkQnvdtbo9vuD0oELFk9ZzHPxGukaW7+KjeHZ9n4lKkEiRiYN25DA==
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

2026-09-17T09:50:47.703777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087467
observed 5e697b708769b2b79b6b88fefd783094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.687681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087467/manifest.json
observed bcc3dab4afa3aed5cf4a8c7b1c67f0cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.672310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087467/publication.md
observed 17b8ac67f5f64d2870676fc1e975d72d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.654706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087467/publication.txt
observed c03c4f446ac78e807c657aa9cbc5f6cd...
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.