OpenTechnical

OT-2026-000080067

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000080067) never changes.

Identity and time

Publication numberOT-2026-000080067 · never reused
Internal UUID01a0ae96-4378-7f82-9552-2ca82c833bb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080067
StatusPUBLIC

Content hashes

Canonical textfac5efad9f2e9954fb89ab7c5025da165d121e1f6a58ef9218b14920203e191c
Markdowna1197b0587aa2df4563c6a0771d3dbf33de15f1e857fdc115ffcd255279873f8
PDF
Publication page9f89b90bbd816bed6af871ad978c559cb48e3fd1e723b2f1d76c810a442a142f
Manifest87921f084c2f09e74d6abf6646df6d78125b611d64680bd78aaf402571ee7c3e

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
Signature66mZLo73Y7RI9PqFpfsz0678qel6GaLHv9Q507vlMB3RtXxsdq/zjWC8BAMK96jwx3G/j+1vby8KP/nmv9XmAw==
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

2026-09-17T10:04:00.055181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080067
observed 9f89b90bbd816bed6af871ad978c559c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.037450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080067/manifest.json
observed 87921f084c2f09e74d6abf6646df6d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.018229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080067/publication.md
observed a1197b0587aa2df4563c6a0771d3dbf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:59.999804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080067/publication.txt
observed fac5efad9f2e9954fb89ab7c5025da16...
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.