OpenTechnical

OT-2026-000013202

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, pulsed 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-2026-000013202) never changes.

Identity and time

Publication numberOT-2026-000013202 · never reused
Internal UUID01a0ae6d-6fc8-7734-9e14-d97c24a82af6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013202
StatusPUBLIC

Content hashes

Canonical text8d4f69f5a99fe1e2d73f437ce7583d22f7691bc1dc6c3fb932c74cf94808430a
Markdown183ef1d1d5d68903120a8a9c02f43c74f944490fa096c6c555f8dfd6fc6d51b4
PDF
Publication paged9974ee44ae3ab49aa812aaa2dad6f217449b6dd09c5f7570dd9c17c33a8fee1
Manifestb417ea780cddaebb32aa1dfe33ab228ef9a382f99c7deda3425acdb3e8f50742

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
SignaturegqIrYJgSNKReCIEFRUmpMbgqzck64QZlKi4ReooDWtAB7+ksokdKDsj8WUhz714TLY24+AANtt2OfbcZ+ISlBw==
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

2026-09-17T12:09:35.247653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013202
observed d9974ee44ae3ab49aa812aaa2dad6f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.228839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013202/manifest.json
observed b417ea780cddaebb32aa1dfe33ab228e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.208089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013202/publication.md
observed 183ef1d1d5d68903120a8a9c02f43c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.188634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013202/publication.txt
observed 8d4f69f5a99fe1e2d73f437ce7583d22...
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.