OpenTechnical

OT-2026-000101603

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pulsed blow-off 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-2026-000101603) never changes.

Identity and time

Publication numberOT-2026-000101603 · never reused
Internal UUID01a0aea4-0e15-7da2-8cb6-f4dd1943eb21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101603
StatusPUBLIC

Content hashes

Canonical text3afd1d5f4606b89da571b8d01e2fdc707efb8b272909d9c57736aa2a340d262a
Markdown7f6f1669ffa91ea1f90909cc4d411b4195f0d03a403152afca299984b5a65a17
PDF
Publication pagef7ddc1da3a220952c0d30b2488e4dfa60c50644ad57fe1f715a31a6c510d5004
Manifestfcfa9624c5cdef893ea780cce6fbfb7931b0b66845a4ab99b4e247da6b1ea4be

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
SignatureV4gAfIZ/I2qG6HAMC1go3QWrMEcxzlNVtrebFuT0M7xA6qj+2EBHDEIcoy1FTj5h11gwPoY/pPdzC0osq6SaBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:42.787509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101603
observed f7ddc1da3a220952c0d30b2488e4dfa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.768678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101603/manifest.json
observed fcfa9624c5cdef893ea780cce6fbfb79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.749696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101603/publication.md
observed 7f6f1669ffa91ea1f90909cc4d411b41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.730546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101603/publication.txt
observed 3afd1d5f4606b89da571b8d01e2fdc70...
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.