OpenTechnical

OT-2026-000086730

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000086730) never changes.

Identity and time

Publication numberOT-2026-000086730 · never reused
Internal UUID01a0ae9a-2c99-7591-bba1-5637b161f0c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086730
StatusPUBLIC

Content hashes

Canonical text6b2b3e690d419443d46859587e7513a00f727fe88c758efc68833090d3198767
Markdown7863b66d2500eaa829e89b6e8c929a1dc75d4b30e6a56196ecb8e0fce6b0caba
PDF
Publication page87ccd3e05b2180ce51efc1c0578ed00a9a1356bbbcff4ff195817d9eba5339ab
Manifest7725afeefc7c939f33accdb0802258e7c25fea1fb76709778d9dc7f96b4d4987

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
Signature1Q+2ojhAGObN2/DkDbSEq7/qcThxHEzGTRn/oLPaHH34l1ndQbuYbttiQFf+VpNR7EtXBfbcb6v2ITPv0Uc9DA==
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

2026-09-17T09:52:36.531321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086730
observed 87ccd3e05b2180ce51efc1c0578ed00a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.515032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086730/manifest.json
observed 7725afeefc7c939f33accdb0802258e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.497388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086730/publication.md
observed 7863b66d2500eaa829e89b6e8c929a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.480961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086730/publication.txt
observed 6b2b3e690d419443d46859587e7513a0...
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.