OpenTechnical

OT-2026-000021526

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000021526) never changes.

Identity and time

Publication numberOT-2026-000021526 · never reused
Internal UUID01a0ae6f-865e-7504-938c-b41391e06dc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021526
StatusPUBLIC

Content hashes

Canonical text2be8569a5852d51b124f0b643063725664306d2afcf68b59204a02912f7342c7
Markdowna54f18a2c62bc31d2ecf36d3c0ed96829bf9b3d36183cd95b583470981621591
PDF
Publication pageea265e615ce2d18d93b92536f840577604a3c6610939422820a5c1f07ca136ab
Manifestb511c4f3585e5e9b5d2d6fa7a6ce1699d3a1290dca79da591c757c8e2c220836

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
SignatureyqI7tnbPpQiMUWdsFU2JTTSQ/gwIi7cGGns3yfDhxcwqNMHo4CVE4VWYkeqqVdBJBtuwB491HX1q9RHlNWXhDA==
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

2026-09-17T11:55:26.703829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021526
observed ea265e615ce2d18d93b92536f8405776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:26.685584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021526/manifest.json
observed b511c4f3585e5e9b5d2d6fa7a6ce1699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:26.658457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021526/publication.md
observed a54f18a2c62bc31d2ecf36d3c0ed9682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:26.627695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021526/publication.txt
observed 2be8569a5852d51b124f0b6430637256...
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.