OpenTechnical

OT-2026-000081656

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented after set-down

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-2026-000081656) never changes.

Identity and time

Publication numberOT-2026-000081656 · never reused
Internal UUID01a0ae97-0f73-7609-a273-c54253163b64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081656
StatusPUBLIC

Content hashes

Canonical textdc62a7cd1577920e02c1fe5f8a091775919039dfdf06e8f671ff6ae87ccc23d9
Markdownd1bd21d7fa5df164b15bd566731400ed8b880b253d98ec5d1f06a14ea4d36f1c
PDF
Publication page35d47a28688d3cb20d3641d4de2f35ec8039c625bb756a247743e6d3f3fddb75
Manifest31a418ec0da5b24acb8feb8da86004af7f9b962b1855c2f127f16ee0d25f68b3

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
Signatured3LjWm0L8BK5qkhJ09p+RF0zpST9/Ho7+sl6YRK/zCR1QxsUD/riceJnc/J8g0BNbC6KNsdHqrUhZhdPo17sAw==
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

2026-09-17T09:59:42.644865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081656
observed 35d47a28688d3cb20d3641d4de2f35ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.626729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081656/manifest.json
observed 31a418ec0da5b24acb8feb8da86004af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.610518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081656/publication.md
observed d1bd21d7fa5df164b15bd566731400ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.592289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081656/publication.txt
observed dc62a7cd1577920e02c1fe5f8a091775...
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.