OpenTechnical

OT-2026-000057963

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000057963) never changes.

Identity and time

Publication numberOT-2026-000057963 · never reused
Internal UUID01a0ae88-6ed9-7043-abf3-0d9e31d1f870 · 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-2026-000057963
StatusPUBLIC

Content hashes

Canonical textef38df97a28964367e1b4f85103fd68b278a31f1f96306e7e28a4afca1b7946f
Markdown3983eaf576438cd88cd289ef2a7a2ae2e62866f06a28da4194bcd49d724c24fb
PDF
Publication paged039cdb6218a08b312984c257a484f93b76d02238b629654104daeab8dfb1df1
Manifest7d49c43bcdc377d9dd90a8ff426f28895cfe79a75445a7ff58ccc09d0692aad5

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
Signaturelg4YXfAMdxiMr7dX+5v0FP1AFgerpRE68Tamx1pqyUontfsqxsTjaSUUo8UfGrMdm0oGGn+3BPj9gfOan5xrBg==
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

2026-09-17T10:47:34.984807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057963
observed d039cdb6218a08b312984c257a484f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.968076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057963/manifest.json
observed 7d49c43bcdc377d9dd90a8ff426f2889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.949974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057963/publication.md
observed 3983eaf576438cd88cd289ef2a7a2ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.931552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057963/publication.txt
observed ef38df97a28964367e1b4f85103fd68b...
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.