OpenTechnical

OT-2026-000048731

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000048731) never changes.

Identity and time

Publication numberOT-2026-000048731 · never reused
Internal UUID01a0ae80-c32c-7e98-9aca-fe2fea96e17e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048731
StatusPUBLIC

Content hashes

Canonical text24061d6ed52a0bfd2c52afd4f538ade965c1c1d3f695dc8bbe65d74de326e19d
Markdownd7627001ae77b0c00623d65f639a1c572eb79eec42574018b0bcc52d016d0204
PDF
Publication page0bc0a76f89af3b2f818acd85ca9af00405e2e4944a42c72f837e2231d2446a53
Manifest99387261d2ce95a1295f4ea9962ac42af5e3991ed6c0397b1485bdb8d350a616

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
SignatureIbaRNI7u3gDCK4lcZrz2MRccXu2giVVgufclvhZ2UcQIcNGv+8p0ZPxh1jTqiQ2tDdDDXEHj9D4SmaHNk+3YBg==
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

2026-09-17T11:04:22.932781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048731
observed 0bc0a76f89af3b2f818acd85ca9af004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.912223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048731/manifest.json
observed 99387261d2ce95a1295f4ea9962ac42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.889840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048731/publication.md
observed d7627001ae77b0c00623d65f639a1c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.868001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048731/publication.txt
observed 24061d6ed52a0bfd2c52afd4f538ade9...
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.