OpenTechnical

OT-2026-000048614

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000048614) never changes.

Identity and time

Publication numberOT-2026-000048614 · never reused
Internal UUID01a0ae80-4de8-7538-b7a2-37c162be1465 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048614
StatusPUBLIC

Content hashes

Canonical textd4ae2a5106d2193bd4863fe6592fd373690052f0529ce6f63e1bda95dbfeb250
Markdown3cc8af70f72665e1b47740e9113f5abedd834a09257420f76e6b8a2a28aac08c
PDF
Publication pagef068060282e2c7ccd36204a91a7459221444a0e9ae58815dddee0b9d291dca69
Manifest136961de440aff0ad3c30bdddec9786a39acf737e054968fa1ad5a1bcf8e7f7a

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
Signature5HWin0miikFa2mlaahbW0+kw6LZo2oy6RfxHeH3373zf6OLJcL2EbbS3J7HpqCBxf1Jn1AB10/WJb742ZL5KBg==
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

2026-09-17T11:05:25.890631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048614
observed f068060282e2c7ccd36204a91a745922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.873282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048614/manifest.json
observed 136961de440aff0ad3c30bdddec9786a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.854686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048614/publication.md
observed 3cc8af70f72665e1b47740e9113f5abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.835313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048614/publication.txt
observed d4ae2a5106d2193bd4863fe6592fd373...
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.