OpenTechnical

OT-2026-000043490

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off after 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-2026-000043490) never changes.

Identity and time

Publication numberOT-2026-000043490 · never reused
Internal UUID01a0ae7b-92ce-7389-9c7b-0cf1c72aed7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043490
StatusPUBLIC

Content hashes

Canonical text9d63d64c8817b05b3304579aaa1c295631626498e3ac0117be7e2a355ca019ab
Markdownea9d95b1cf0c849b9ef7a6ffb5df6c1fb37ce0542419625b774c6f87b520d203
PDF
Publication pageaddc9234d8591fa70d5e76831a6699e42276bb8621b39fda92ff6121b5f8741a
Manifest5602973b51100664b9e31fe93addc7723ac28bc76ae1e1b967bf430aeaa09c77

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
SignatureJ5AWkiHIN7Ya5icQll1G8MUldCN5TYBeB+UNoIIQsqBn2NpY5UGRCcWNFmk7YM5ysx4ALbOEn85hXNmy1m3WDw==
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

2026-09-17T11:12:51.152331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043490
observed addc9234d8591fa70d5e76831a6699e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.133809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043490/manifest.json
observed 5602973b51100664b9e31fe93addc772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.113130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043490/publication.md
observed ea9d95b1cf0c849b9ef7a6ffb5df6c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.096054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043490/publication.txt
observed 9d63d64c8817b05b3304579aaa1c2956...
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.