OpenTechnical

OT-2026-000018985

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000018985) never changes.

Identity and time

Publication numberOT-2026-000018985 · never reused
Internal UUID01a0ae6e-d522-73db-93cd-a61882248dd2 · 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-2026-000018985
StatusPUBLIC

Content hashes

Canonical textab694229a62104bccc3d8111671c474f5d6c290ea060fce99c90689394fdd113
Markdown0e520474ab86f6d32796ba975c27d1e3f88090d2dcf1a2841fd2f486dfe639f6
PDF
Publication page53da4e1236e43945cda918a6290955ca8587584055c89dc8cad274b4ce69ad37
Manifestb0ca546618ad398fe4995d9021ec4c9a9bdfc65768aaf4021c254e59c6632978

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
Signaturea8PU4sRnqaqn0CojFLcrPoLEDWB1Z2MS+A5jr7Fk+mjiJxaap/4QrmALzBPEGxgdKe6xITQtYugZhXON6E8GBw==
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

2026-09-17T11:59:39.878913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018985
observed 53da4e1236e43945cda918a6290955ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.862539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018985/manifest.json
observed b0ca546618ad398fe4995d9021ec4c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.843396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018985/publication.md
observed 0e520474ab86f6d32796ba975c27d1e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.825044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018985/publication.txt
observed ab694229a62104bccc3d8111671c474f...
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.