OpenTechnical

OT-2026-000068637

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000068637) never changes.

Identity and time

Publication numberOT-2026-000068637 · never reused
Internal UUID01a0ae90-2483-7fe7-8ba1-05e6e9477e3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068637
StatusPUBLIC

Content hashes

Canonical texta694c02f567c62157f8d8fc14cdf40fc3b4ebc542b640ca3bde3ce1142fe483e
Markdown5baa8d275f293dfb989ea6327bef98e58975422728847a1636c876cd4d4001e8
PDF
Publication pageb52d1cef4cf682b3984fcfa54f6cec6d1c6f3c00206be551e5507f5c2418cc83
Manifest98f4dd8d2f33e4afb436d2e7749d5202686fc6367d6206479ba9676b275e4833

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
SignatureS6GqJpmYoWAaHcVn/IpEWEjxrkSbuKy1U7M+xsGYWMPkiDONPV1JbwNLofIQFyA1/AQ15ZHDdqOtKoumQrQsAg==
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

2026-09-17T10:29:49.647603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068637
observed b52d1cef4cf682b3984fcfa54f6cec6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.573402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068637/manifest.json
observed 98f4dd8d2f33e4afb436d2e7749d5202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.554183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068637/publication.md
observed 5baa8d275f293dfb989ea6327bef98e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.534577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068637/publication.txt
observed a694c02f567c62157f8d8fc14cdf40fc...
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.