OpenTechnical

OT-2026-000056643

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000056643) never changes.

Identity and time

Publication numberOT-2026-000056643 · never reused
Internal UUID01a0ae87-7af6-73e3-aa85-4853231f2885 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056643
StatusPUBLIC

Content hashes

Canonical text4842459b31042500bb47a46d077f64165a832e97021749dbeadf852c502f152f
Markdown07821e680b828f89e19a7cf3105389d79a262aa3109adff41d4936ed07b5bc99
PDF
Publication page9d0332cf49c69f9d1df715697abf6df1aa2749d46e666f764847be16c0c2987c
Manifesta0f2e5ceff293eb7b57fc2cb7ae3c06d46ee69776ea5a2a63e8984d46f6e0196

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
Signatureum9RPztPeRI1yUbL34nTYoH1wGrPhTQfHEUFJ38bQcfNBbdHPESQ2suhy/TdpYCsp313VU4Ni9NqmQzhfJlODA==
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

2026-09-17T10:50:00.315638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056643
observed 9d0332cf49c69f9d1df715697abf6df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.296010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056643/manifest.json
observed a0f2e5ceff293eb7b57fc2cb7ae3c06d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.277958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056643/publication.md
observed 07821e680b828f89e19a7cf3105389d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:00.260806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056643/publication.txt
observed 4842459b31042500bb47a46d077f6416...
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.