OpenTechnical

OT-2026-000069677

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069677) never changes.

Identity and time

Publication numberOT-2026-000069677 · never reused
Internal UUID01a0ae90-b52c-7231-bfe8-eff8489f4e6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069677
StatusPUBLIC

Content hashes

Canonical text09dc3b1d942343310d96b2b7b556065fd538c7497d53d0035cd7298a87feac3c
Markdown8623bbe243976b228397e9dc5a201680bca247b2f0411b0eb1d6d6d8dd2d691b
PDF
Publication page2451c6cedc897ef04e1b80caa08937464917381333f0f3073c1dc79c8c5c34f8
Manifest0b030e1e10baf358af3ddcd289cda8976c9fa67c15578fb23ae9184db7d8dc9c

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
SignatureAhrWNd7dlcJb2hsCOEbf2jTW83GpixfUazAJcxkgkgzK4+k34HnCI7z0luKIv7KtsVpVwvkG0DYBfs+c9ul2CA==
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

2026-09-17T10:28:21.040692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069677
observed 2451c6cedc897ef04e1b80caa0893746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.024298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069677/manifest.json
observed 0b030e1e10baf358af3ddcd289cda897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.006829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069677/publication.md
observed 8623bbe243976b228397e9dc5a201680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.988018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069677/publication.txt
observed 09dc3b1d942343310d96b2b7b556065f...
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.