OpenTechnical

OT-2026-000009100

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, vented 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-2026-000009100) never changes.

Identity and time

Publication numberOT-2026-000009100 · never reused
Internal UUID01a0ae6b-31b8-707e-8023-1b0a148c7237 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009100
StatusPUBLIC

Content hashes

Canonical text4d0bd85636c8b9d0dda537206398cce6eab3dcb57caf1ceedbd34b6283c17015
Markdown815142d193f7a76c9c513ca9a247c35b7f6ba4ca2d6f0e5e495f00ba759b3182
PDF
Publication pagec05f6a42ef4945504cb868af8187c909dda71026963e6e78aa55f70e49d0120a
Manifest4da49f23b6c3cf31176f02398a3d583b1efe8559d10f4c4f21420c1569fb028e

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
Signature4pwUDRUG6LlBhEwemlMF6XcUyJehwWd5j1jISXHVmf1V5Eekw+n7pv0J8I7H8pl2kCAbPKzp1/0DgXOsIjGVBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:46.780198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009100
observed c05f6a42ef4945504cb868af8187c909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:46.763075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009100/manifest.json
observed 4da49f23b6c3cf31176f02398a3d583b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:46.743746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009100/publication.md
observed 815142d193f7a76c9c513ca9a247c35b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:46.725290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009100/publication.txt
observed 4d0bd85636c8b9d0dda537206398cce6...
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.