OpenTechnical

OT-2026-000046599

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000046599) never changes.

Identity and time

Publication numberOT-2026-000046599 · never reused
Internal UUID01a0ae7e-57de-7d1d-bc5b-4645967da4bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046599
StatusPUBLIC

Content hashes

Canonical text5c8a9671f417cce867f50638437e8144f67b1e7e48c249dd7b28bdb4a804e0b7
Markdown86c94014c4cda8dc5f20af570bd811cddda51fe2dc98eb5f717152ee82c630ec
PDF
Publication page9ee6f664a808445c5fc8b470133bf7997e2d042ce8ae6493309fc5bb29dbd1ad
Manifest2d3ce2ac52d7af3fa24ac52449248203d1b6e720e1a25b559780f4a0c697831e

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
SignaturezcAKrAnoqYTSEoN1lzD2wgFMCHz5UvdZiwVEyQ+rDtjR+Ulm4uBPcoaIfvgrze6ZsBtzohARZZB1KQiFWxapAg==
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

2026-09-17T11:08:40.540563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046599
observed 9ee6f664a808445c5fc8b470133bf799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.521420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046599/manifest.json
observed 2d3ce2ac52d7af3fa24ac52449248203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.504180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046599/publication.md
observed 86c94014c4cda8dc5f20af570bd811cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.485680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046599/publication.txt
observed 5c8a9671f417cce867f50638437e8144...
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.