OpenTechnical

OT-2026-000026512

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, sustained blow-off before set-down

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-2026-000026512) never changes.

Identity and time

Publication numberOT-2026-000026512 · never reused
Internal UUID01a0ae71-f4a8-706c-98cf-c9f27f399593 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026512
StatusPUBLIC

Content hashes

Canonical text630771d586471ed5e677bf3b29ce22c6b2331108b72aa6c151cee6e737d4764d
Markdown34d38ab9944b1ff1ca823bdec273affe0f990d95659a13f2da7c7075be7399f9
PDF
Publication page5a80bdfabfef71cc8fa1ed38d10bad7fdadb9954a783d6d1790833db5c4ccc11
Manifest4d66bcb60abb4d80b0451e17a4a2ed6a49935666abf3544df8c73872e8d6dfec

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
SignaturenAPdOATq06g/VEowd5WdHN/sySlC23n0v5E6VQ5nPkmbBdK/KcRrGi8sDIfVvtSDgS8PY66V0keP6fqIBk2+DA==
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

2026-09-17T11:44:09.354572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026512
observed 5a80bdfabfef71cc8fa1ed38d10bad7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:09.337722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026512/manifest.json
observed 4d66bcb60abb4d80b0451e17a4a2ed6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:09.321110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026512/publication.md
observed 34d38ab9944b1ff1ca823bdec273affe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:09.302016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026512/publication.txt
observed 630771d586471ed5e677bf3b29ce22c6...
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.