OpenTechnical

OT-2026-000088315

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000088315) never changes.

Identity and time

Publication numberOT-2026-000088315 · never reused
Internal UUID01a0ae9b-5d27-74cb-904e-3c43b1e7ab7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088315
StatusPUBLIC

Content hashes

Canonical text1203bd54eb15e5c9f0c43372475924a8e10b9b872f7e736b8cc97b22e890ac00
Markdown6024b7d0edc51a70296f210a4622d86c5fcfaa54324e8436288627a6cbe0861c
PDF
Publication paged229fc0f60ef89f42117bc699d6bd81f038df7026d8cbb3cfff9caed64e7c274
Manifestebe1e25e93df49e6e480d1c45624fc7168b12bc7ff22161abea26d3dda7861b6

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
Signaturevny3zs7ZCmDbLpZO95/nOzUckpzNrxvhKuzD7ysEEAXSAWJMAoHytp5oVw+UyRTryWzUVSKvA3abJFQgkRtWDA==
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

2026-09-17T09:48:39.194565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088315
observed d229fc0f60ef89f42117bc699d6bd81f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.174895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088315/manifest.json
observed ebe1e25e93df49e6e480d1c45624fc71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.155517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088315/publication.md
observed 6024b7d0edc51a70296f210a4622d86c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.136004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088315/publication.txt
observed 1203bd54eb15e5c9f0c43372475924a8...
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.