OpenTechnical

OT-2026-000060157

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000060157) never changes.

Identity and time

Publication numberOT-2026-000060157 · never reused
Internal UUID01a0ae8a-5a71-7d74-9a2b-11005ff76d7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060157
StatusPUBLIC

Content hashes

Canonical text7dc0cb8b01025f8b10cc245a6fa6a29de29bc125f4d90179f3307c0013bc210c
Markdownfbc6d33b4d0ba997cdeb5624e935daf32be141ffafbf98852740bf71d95fa6aa
PDF
Publication page1699cb56cfd0047f0e22890de5e9bc7c17dc21a15b3dbf8af2b0100dbf1d84bd
Manifestcc121dc0cb116ba40194a2d01bd79c2322db35706070aae05b963c55ab0f16ae

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
SignatureAbmpUiaTZAilRaYF4FtMLHFNDiw7m/REUgqm9Y2g0gWwi9cCUOkmc8cq99/9zAQD6x8u2rqXpH78RLj+VLDxDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:49.051879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060157
observed 1699cb56cfd0047f0e22890de5e9bc7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.035304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060157/manifest.json
observed cc121dc0cb116ba40194a2d01bd79c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.017439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060157/publication.md
observed fbc6d33b4d0ba997cdeb5624e935daf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:48.998888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060157/publication.txt
observed 7dc0cb8b01025f8b10cc245a6fa6a29d...
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.