OpenTechnical

OT-2026-000057973

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000057973) never changes.

Identity and time

Publication numberOT-2026-000057973 · never reused
Internal UUID01a0ae88-6ed9-7efb-b6aa-93107bb585cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057973
StatusPUBLIC

Content hashes

Canonical text6ea49849cdc86a20c46a70b6f178c58985b1e5e6615df18aebbe9b2ef95e4b39
Markdown1311868369bdd93af4a38e625bbb092bdf47d4b37b9ea7917f92045e61b06d9d
PDF
Publication page45f82ffba08d5c5f09168d287da6d1a6dda4cdfbba42b62123d82859c6297e8d
Manifest7c82a64a42e9500790d03c9e77166834ec379a7575841a65ae7144410d032456

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
SignatureL4CEcgY8f5ztKiC7/VtFdx1OekXM4jDccJJ2EdIBPO9rF1SmDvw7iFww+btMScYdnddPU9DVoZL47HmXTWkTAg==
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

2026-09-17T10:47:35.805218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057973
observed 45f82ffba08d5c5f09168d287da6d1a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:35.786075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057973/manifest.json
observed 7c82a64a42e9500790d03c9e77166834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:35.764736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057973/publication.md
observed 1311868369bdd93af4a38e625bbb092b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:35.744059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057973/publication.txt
observed 6ea49849cdc86a20c46a70b6f178c589...
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.