OpenTechnical

OT-2026-000007486

Publication integrity record

Vacuum cup gripper, three zone face, ejector fed, vented after set down, polyurethane 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-2026-000007486) never changes.

Identity and time

Publication numberOT-2026-000007486 · never reused
Internal UUID01a0a980-9739-7a1e-b266-aa55d5c654e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:16:11.965138Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007486
StatusPUBLIC

Content hashes

Canonical textb01dd046937a5fec7137b0156440a5bd4be159d9338bf7365057dbed2a98f27b
Markdown23b6e1b237f3fc18f8a3c429b9e4f8ff383d6c393ccf741f26ca9b7b65ceedff
PDF
Publication page3eae41d68a9a4511251d3ab6b9df2b6c9bd645be8289f8696221aa5fb1e3442b
Manifest41d2746fca7b025e67fb51e003ab571a02663c862c2879ad14662acd5abf2ca0

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
SignatureX1+LjL8raYdhTPBNFpX4/11Nb2C2H5Ii93cHXmJy/RcTMXcSbKH1R2EtiVwNHez8IdVQt9GRYKa/pVbuSrhmDw==
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

2026-09-16T09:20:02.710398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007486
observed 3eae41d68a9a4511251d3ab6b9df2b6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:02.697927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007486/manifest.json
observed 41d2746fca7b025e67fb51e003ab571a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:02.684921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007486/publication.md
observed 23b6e1b237f3fc18f8a3c429b9e4f8ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:02.671653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007486/publication.txt
observed b01dd046937a5fec7137b0156440a5bd...
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.