OpenTechnical

OT-2026-000021127

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000021127) never changes.

Identity and time

Publication numberOT-2026-000021127 · never reused
Internal UUID01a0ae6f-865b-76c5-a47c-dc7996474647 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021127
StatusPUBLIC

Content hashes

Canonical textcdec13b5e441748a0a851dbf20ea3545e6885551428b4f46b99efce3bc7d3677
Markdown0586234553a82bb5868e14a9ad69847c6fffd827ac3ae63da48b75a78c7c7349
PDF
Publication page72a48226352516f8cb5f1d9b7e931b83945fe787c978ca6103b90e431375ac2c
Manifest84aebdcf3b6d2c948b9ec9eb48a8460291320441ebb45f97041a7a41efb659ea

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
SignatureH/y6t9Ql6G0z688AjGfW6ERemo4uCjrizVWLttZNBos3RvdBfbZHK4xH33SzbFx3BnfyGdCkT0XXu5ooWOJfAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:52.602561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021127
observed 72a48226352516f8cb5f1d9b7e931b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.583220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021127/manifest.json
observed 84aebdcf3b6d2c948b9ec9eb48a84602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.565305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021127/publication.md
observed 0586234553a82bb5868e14a9ad69847c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:52.544974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021127/publication.txt
observed cdec13b5e441748a0a851dbf20ea3545...
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.