OpenTechnical

OT-2026-000091316

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000091316) never changes.

Identity and time

Publication numberOT-2026-000091316 · never reused
Internal UUID01a0ae9c-f16c-7c37-ab07-94ad6af63376 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091316
StatusPUBLIC

Content hashes

Canonical text884480762ee29ae95c3ab87fffcd9a54c4db256a15d94612562a84f90089633e
Markdownbb5fa55704a109ffe9975989d00962ec71edf04987a603d47f06b88bf93a3ad4
PDF
Publication paged1274c358500ef178e9fe10fbdf7a4b318283835ad7ccf3824e56c5af8c310d6
Manifest22ff605891123377cdbe8787e7734303e2e419ce1e7c7a772f9aba731452dc2c

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
SignatureuTGZ8bQr1PbhSVJGGO86eT+eNTHPTJEFQIFVLG4AUHmEkT9/PqeVyKYJIZcEilV0EnTXFSLuYt+IDnsjKnuAAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:31.153708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091316
observed d1274c358500ef178e9fe10fbdf7a4b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.135935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091316/manifest.json
observed 22ff605891123377cdbe8787e7734303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.117484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091316/publication.md
observed bb5fa55704a109ffe9975989d00962ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.098822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091316/publication.txt
observed 884480762ee29ae95c3ab87fffcd9a54...
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.