OpenTechnical

OT-2026-000018803

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000018803) never changes.

Identity and time

Publication numberOT-2026-000018803 · never reused
Internal UUID01a0ae6e-d521-73f8-811d-92c38b35f934 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018803
StatusPUBLIC

Content hashes

Canonical text6ccfaf585d1b3c2d4f5b779b72eebb439ce396165903c628b6f4f7845dbb10af
Markdown53628ca7c3c5bde1f4462cd522cceee27e53ae378c52684e009d2f5a116ff031
PDF
Publication page42dfcaf2a4514fe0b3f0d0f2e46fbfac2ed1ea109197743b2c348e9835029d76
Manifest4c5c2b35ce0bed3e49515682769c4c64727fffd4953c1ea309a5d27adad40fea

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
SignatureDXIdBJ3RdEu7PgJbaz4yLh1vxt85MdBMzyy3DjGs5hJWx4ANBYm7/hNstQrNQqEMG6dImk0jcFqGvcPjrDPTCw==
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

2026-09-17T11:59:25.876255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018803
observed 42dfcaf2a4514fe0b3f0d0f2e46fbfac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.858371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018803/manifest.json
observed 4c5c2b35ce0bed3e49515682769c4c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.840192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018803/publication.md
observed 53628ca7c3c5bde1f4462cd522cceee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.822665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018803/publication.txt
observed 6ccfaf585d1b3c2d4f5b779b72eebb43...
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.