OpenTechnical

OT-2026-000020758

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000020758) never changes.

Identity and time

Publication numberOT-2026-000020758 · never reused
Internal UUID01a0ae6f-65e2-759c-8833-228f0b03dc32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020758
StatusPUBLIC

Content hashes

Canonical text0b36b354e6e02574dfd6d4c8f1af4acf1842c2953d646d40a315ab190552d31f
Markdown715c77666c057421dc26ef29ceea426cc053f282bc60bcc08861d6f5accf1047
PDF
Publication page1e0e7424beb753bc29f6b4fae3d4b45b1efa683fa801c693afb378feadf8444c
Manifestea6ec13acdf9cccb52ba83d4f017168eb32a25f0c56105fee45ad07416068880

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
Signature4+Itkb8+anzr1vnwYuCJotXcAOgmRQYm0uCPHTdIX0cA5H2fF7R3wbhFyPYXSyLh9WMuoinWM0gmU0lO86NBAA==
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

2026-09-17T11:55:49.888769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020758
observed 1e0e7424beb753bc29f6b4fae3d4b45b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:49.872301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020758/manifest.json
observed ea6ec13acdf9cccb52ba83d4f017168e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:49.854918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020758/publication.md
observed 715c77666c057421dc26ef29ceea426c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:49.838897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020758/publication.txt
observed 0b36b354e6e02574dfd6d4c8f1af4acf...
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.