OpenTechnical

OT-2026-000003822

Publication integrity record

Bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure verified

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-2026-000003822) never changes.

Identity and time

Publication numberOT-2026-000003822 · never reused
Internal UUID01a0a90b-2927-7aa9-a9d5-93bc0851c7f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:56.073516Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003822
StatusPUBLIC

Content hashes

Canonical text83dd44916062e029245352a2abeaee096add886dd0c54f1173f441114e73b61c
Markdown8f68e9b13e9b49ec2b742110cc609de54737c60a297397fd765511a9e276ce9a
PDF
Publication page544fe66812e3fb8d8ac217074145a71098a97e54d4f6093b659a7ae948680f13
Manifestb1bc9d5f7d202cdfec3fa34e04f181d837414e562a88398524c7f740c75c3cae

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
SignaturePdRjP1XhO8xK8B4NX80Namm+F64k+vtEK3CKP1OGLJhOxc8wp9nP4J2oz2Vey6vkm3TXLoSc12yzZAM7L0pEBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:18.299664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003822
observed 544fe66812e3fb8d8ac217074145a710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.286375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003822/manifest.json
observed b1bc9d5f7d202cdfec3fa34e04f181d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.272499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003822/publication.md
observed 8f68e9b13e9b49ec2b742110cc609de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.256486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003822/publication.txt
observed 83dd44916062e029245352a2abeaee09...
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.