OpenTechnical

OT-2026-000088783

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000088783) never changes.

Identity and time

Publication numberOT-2026-000088783 · never reused
Internal UUID01a0ae9b-8f10-7a9b-bc40-72501f4b6c38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088783
StatusPUBLIC

Content hashes

Canonical text166bc52502a1f49033f7a3a5cfbc4b8b03c433cb997ef20fb427ceddfbb50872
Markdown8b0df547a690560bd6c5ac3f54162b9c45a1e84f05805e27b6dc21a54382827f
PDF
Publication paged79c237532f958392aa79bed3a08f71b4c63d4b14fd6fcbdf4eeedc6b2b6a16c
Manifest94314133237d206614a179cb98d544afd8fca0da4d99fd1b8cb590b9b96f33af

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
Signature2rU00NLE7PDzJq5XhPKVXCXlDUlC2a2wZZZRa8EZmH+5GTwvlu6doNEaARKrfrK2yxxc+yUhkMR9oZuSRT5/Ag==
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

2026-09-17T09:48:09.591453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088783
observed d79c237532f958392aa79bed3a08f71b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:09.573077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088783/manifest.json
observed 94314133237d206614a179cb98d544af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:09.556530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088783/publication.md
observed 8b0df547a690560bd6c5ac3f54162b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:09.540377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088783/publication.txt
observed 166bc52502a1f49033f7a3a5cfbc4b8b...
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.