OpenTechnical

OT-2026-000007260

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, pump fed, vented after set down, plastic cups

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-2026-000007260) never changes.

Identity and time

Publication numberOT-2026-000007260 · never reused
Internal UUID01a0a978-6f3f-7470-877a-42a2c08d09ca · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:07:17.442095Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007260
StatusPUBLIC

Content hashes

Canonical textfdae6f00231a136a19760ba063b6f619a33fff1fd29459c6372bb79eda0cbe23
Markdown5d1144efdfc6a87ee4ce064ca7c39193da54b34272cef96f1c300073cbe8f19c
PDF
Publication page5dfc756f9dce01c7b4f99e422f518ac93fe6cf10f4d83c65292f1b6d3148f00e
Manifestabb2f68276269b2cfd98807bb89e893c537f69299faf98ec47f4286da4ec6ef2

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
SignatureLqUrj1RpXXYg0J/84zFLSZJTgqPziKEtMO0QG1r1lacNtRJMxzDDJzn+wYtgndGgh4KMPG4ggSxDaj39QcONAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:10.483226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007260
observed 5dfc756f9dce01c7b4f99e422f518ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:10.470201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007260/manifest.json
observed abb2f68276269b2cfd98807bb89e893c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:10.449533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007260/publication.md
observed 5d1144efdfc6a87ee4ce064ca7c39193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:10.431314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007260/publication.txt
observed fdae6f00231a136a19760ba063b6f619...
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.