OpenTechnical

OT-2026-000008987

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, 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-2026-000008987) never changes.

Identity and time

Publication numberOT-2026-000008987 · never reused
Internal UUID01a0ae6b-31b8-78bb-9a4f-2890afda0d58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008987
StatusPUBLIC

Content hashes

Canonical texta8c91f644b2fd0eb75c40c0f313968fe086e3ea60a7d79ddc36a2f4c5d2ef2ff
Markdowna25707c3c3c2bbca99e21a2a19040ccad887e4a8c7de5599a625d4cef5a30f71
PDF
Publication pageca3a09d622a5bb1cbd4dddac6bf2b4ae7137d47da9e4730b05154e9c78d2a150
Manifest3419522b17ce1f03a6c55b5b7028a96ce5fac5dca56122b977d933658f2f97b0

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
SignatureLaf4LT+LLgpLKw2BogtDR0tU6KUpJ96pIV/SaHU4uq0bxrss1set5jwM7jBEJMS8XfBVkiVf6x0IzQakf1CKDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:36.810916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008987
observed ca3a09d622a5bb1cbd4dddac6bf2b4ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.791956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008987/manifest.json
observed 3419522b17ce1f03a6c55b5b7028a96c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.769659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008987/publication.md
observed a25707c3c3c2bbca99e21a2a19040cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.747971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008987/publication.txt
observed a8c91f644b2fd0eb75c40c0f313968fe...
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.