OpenTechnical

OT-2026-000023829

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two 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-2026-000023829) never changes.

Identity and time

Publication numberOT-2026-000023829 · never reused
Internal UUID01a0ae70-aed5-766a-9989-5f60ad54d2a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023829
StatusPUBLIC

Content hashes

Canonical textd294e4496bf3c9746e1d7489316237692c265b1ad8ef81e489224f9e85f5bf0f
Markdowne31ea2c31a8b8e77d683d25a1134c26da9e89bb49e117a3e870acd476b53fe0e
PDF
Publication page88d6dd51be18149759917c97aae3ee64e6861ffbe718508de1b05e4980d6c385
Manifest85845cc855d19838e885556a347bcac6a5999c4e86f53c91ec788b56faacff3e

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
Signaturea2jOU9iDMl+ZLmBRc1a9DXZR3sOtxORHcbdk9Uh6vp0HIoxlCL/lnC/Dcjeqkh+fmkKANQjtwvAf/912bTYFDw==
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

2026-09-17T11:50:19.062354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023829
observed 88d6dd51be18149759917c97aae3ee64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.043125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023829/manifest.json
observed 85845cc855d19838e885556a347bcac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.006875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023829/publication.md
observed e31ea2c31a8b8e77d683d25a1134c26d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.955334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023829/publication.txt
observed d294e4496bf3c9746e1d748931623769...
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.