OpenTechnical

OT-2026-000023546

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000023546) never changes.

Identity and time

Publication numberOT-2026-000023546 · never reused
Internal UUID01a0ae70-7269-7272-8c6a-7819aa33c7f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023546
StatusPUBLIC

Content hashes

Canonical text5408250769048a1320f035273eadb81e40a6279aea96be56e1f148bae905dbfa
Markdowna09d0359b831bb2013029536da2e5a2951d7615e0ecb651c3ec3e2d75797c9c3
PDF
Publication page23da8385bcb34f325f76920478aadc5c725f09d74b88bb5aec503e701fdd9f61
Manifest28b26d9fd6ccea1cb69d6ed235ea3c34c2db1b4cabbbedea3a6ae1e6878786c4

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
Signatureue02iqOyqEOw/F5IOdhVrNk/gDaloNYNG91d0AbKZbW8Lz2ZeFnIPkvyRRw8GLlXEzlnEZq8IOyhPFm8tZtEAA==
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

2026-09-17T11:51:53.352187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023546
observed 23da8385bcb34f325f76920478aadc5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:53.330963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023546/manifest.json
observed 28b26d9fd6ccea1cb69d6ed235ea3c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:53.313990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023546/publication.md
observed a09d0359b831bb2013029536da2e5a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:53.297943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023546/publication.txt
observed 5408250769048a1320f035273eadb81e...
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.