OpenTechnical

OT-2026-000081717

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000081717) never changes.

Identity and time

Publication numberOT-2026-000081717 · never reused
Internal UUID01a0ae97-0f73-7350-9af3-35ae6f2a0c3e · 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-2026-000081717
StatusPUBLIC

Content hashes

Canonical text5660acb5697a5e33067e9a0a473eb2990dde08ed23b0d6e64b407045ba2c5a72
Markdown1f6a2f1955d563a5bfeb9e9713eaf91e9b32bee1e950ab7c912489343e8bec21
PDF
Publication pageef262d0a6daabc3d2461ddecbe15e7924f10c08712a3413444f622c96f67f016
Manifest3fb7f9742cdc1939ab37717edb6353732b091e01ee82435eebad4e32b5c6e3c6

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
SignatureadZSBrHSwPn9XCSBw3gKz/9AERwupX7dsIdqE96r3jhlaKxxbRhUHKSyvh91H54tFHbR/cOxPWOIRRbFwRBzAg==
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

2026-09-17T09:59:47.551136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081717
observed ef262d0a6daabc3d2461ddecbe15e792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.533327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081717/manifest.json
observed 3fb7f9742cdc1939ab37717edb635373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.514473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081717/publication.md
observed 1f6a2f1955d563a5bfeb9e9713eaf91e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.495682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081717/publication.txt
observed 5660acb5697a5e33067e9a0a473eb299...
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.