OpenTechnical

OT-2026-000031995

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pulsed blow-off before 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-2026-000031995) never changes.

Identity and time

Publication numberOT-2026-000031995 · never reused
Internal UUID01a0ae74-bad2-7ea5-99fd-f6b8f716c845 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031995
StatusPUBLIC

Content hashes

Canonical textbdccd7de273943420d771e1657836cea92bf4e25b5cfcc391ac79fbf8de2ac14
Markdown4bb18e68cee8c18d8ea5e10e3e0f8712b548c8a501bf9a58fa0b1a7fe59be8b6
PDF
Publication pagef83a32ff850e11c27a9249e505ce99fe4bed0bd070bd6f476e3111954e876158
Manifest49efa94d0e8b237757d81236c8668051d028e10a8ae39d36fa7e133aa452df09

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
SignaturehhVaBrXY4EnAiiPfLpT+LklAq2UHRJXe+MLKU0IWfEURfINnmNRz+VM68Pf5jgiEgaeL4xmgxzLb049SOlF2Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:35:23.615236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031995
observed f83a32ff850e11c27a9249e505ce99fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:23.593492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031995/manifest.json
observed 49efa94d0e8b237757d81236c8668051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:23.574828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031995/publication.md
observed 4bb18e68cee8c18d8ea5e10e3e0f8712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:23.557874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031995/publication.txt
observed bdccd7de273943420d771e1657836cea...
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.