OpenTechnical

OT-2026-000101880

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000101880) never changes.

Identity and time

Publication numberOT-2026-000101880 · never reused
Internal UUID01a0aea4-50f0-79cc-92ba-f9cb42cf4e17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101880
StatusPUBLIC

Content hashes

Canonical text61779d59be4cbb482d6df99f8e983615e6617491e3e00f709faef0160f697299
Markdownc0e2a33f7be7cd8cc57d648ee48c3200304fb3fa65fcaee94e47cd7485833d52
PDF
Publication page16a35ad4c73910a24035aba60ac982e8368cbddb7a5a1958e4e857c6825303f6
Manifestb5061edbe4e809eb54fb11cbefcfdf7510fa7278f1a75c1d6364e82239e7fad0

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
Signature227EvKYTRG5A/kLYbTGQ6KhoCYgLm1NqFJlu0LfAqlPWDdI41Mq6nhlofJMXe0haJvh75mlbbzajUsUsAhWVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:29.199269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101880
observed 16a35ad4c73910a24035aba60ac982e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.171011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101880/manifest.json
observed b5061edbe4e809eb54fb11cbefcfdf75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.150282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101880/publication.md
observed c0e2a33f7be7cd8cc57d648ee48c3200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.130451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101880/publication.txt
observed 61779d59be4cbb482d6df99f8e983615...
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.