OpenTechnical

OT-2026-000068727

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented after 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-2026-000068727) never changes.

Identity and time

Publication numberOT-2026-000068727 · never reused
Internal UUID01a0ae90-6dca-700e-860e-f1c689b7ca31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068727
StatusPUBLIC

Content hashes

Canonical textdbf5b650ef2705e0aa0c3a9631df22b725892f085f88185cdb30eb744d998374
Markdown61fbfd0e25ac848a10c195306a0f10e6c20ca4a562427565e630438123b0faaa
PDF
Publication pagef822412b12472d91c9516781854c9959a18cd7107d1df8780d7c482f579e838a
Manifest534d91cfe3f38334c1b929f0b846fcda13698f832a9073b1bbbe5fbf8f86a0c4

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
SignatureobmgIoPW6IqWvHo8j03ghqbC8MEKedJFVakvoHK7TDwp1MjKnBJ3jyKVXL6UYevnLtj4QtMehQ6bl7u7KOq0DQ==
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

2026-09-17T10:28:30.122851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068727
observed f822412b12472d91c9516781854c9959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.106192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068727/manifest.json
observed 534d91cfe3f38334c1b929f0b846fcda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.088805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068727/publication.md
observed 61fbfd0e25ac848a10c195306a0f10e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.070641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068727/publication.txt
observed dbf5b650ef2705e0aa0c3a9631df22b7...
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.