OpenTechnical

OT-2026-000023313

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000023313) never changes.

Identity and time

Publication numberOT-2026-000023313 · never reused
Internal UUID01a0ae70-7268-7247-ad07-f619efe155df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023313
StatusPUBLIC

Content hashes

Canonical textf8314c548cba348e5dd3adda722c026f9872e0acd23b08ed62073d9128281ec0
Markdown7ac7e21de45a0b38aa1369ede3fb582c663ec5761dc4342b3956bc7831bc7b00
PDF
Publication page5203828fa5ea5a5ee320f155b017551a6a2bbc3fdf56efabfda3283d1cfa3f06
Manifest902baac768abf497705e014f0033ca6d38a069b8797b04eba44ddb980b75d187

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
SignatureJjvlFwm/Ld5gX7cF+Ri0qqOdKKu9Nnj3Qrn5lGLATifh4cJnrueqiQ3yqbQdvVOe448xUlXpUKvbOOVHW+uVDg==
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

2026-09-17T11:51:23.812156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023313
observed 5203828fa5ea5a5ee320f155b017551a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.796563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023313/manifest.json
observed 902baac768abf497705e014f0033ca6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.776524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023313/publication.md
observed 7ac7e21de45a0b38aa1369ede3fb582c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:23.760598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023313/publication.txt
observed f8314c548cba348e5dd3adda722c026f...
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.