OpenTechnical

OT-2026-000055984

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, sustained blow-off after 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-2026-000055984) never changes.

Identity and time

Publication numberOT-2026-000055984 · never reused
Internal UUID01a0ae87-0a4a-7ad6-9f94-6813a1380894 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055984
StatusPUBLIC

Content hashes

Canonical text691e737994607124e4ef0b8c8a63096b4cb8b1e33f26967227d191e5d4adaeb5
Markdowneab97f138bb19a0c2208eefb9aeb2f10f0f099657e97e9a535cc76a18d684fa8
PDF
Publication pagef0aab06fd7311fb903c7274a97b305d3163bbf92f8a39498cdfb2aa93af30588
Manifestf73393e83cd9b169e5db2224f35dec66829864345677bc21bca1cd922065adea

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
Signature4qqnwLj/gSMlg4egdM541zDn7/qJCzW+76FHz+2LlRcBdL8H5GIwDy9RExO6e22f2Pn7n57uqoAZNoZX07eXCQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:30.398955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055984
observed f0aab06fd7311fb903c7274a97b305d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:30.382600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055984/manifest.json
observed f73393e83cd9b169e5db2224f35dec66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:30.365026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055984/publication.md
observed eab97f138bb19a0c2208eefb9aeb2f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:30.347190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055984/publication.txt
observed 691e737994607124e4ef0b8c8a63096b...
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.