OpenTechnical

OT-2026-000049994

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000049994) never changes.

Identity and time

Publication numberOT-2026-000049994 · never reused
Internal UUID01a0ae81-fd78-709b-aac1-a97a4d2bce14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049994
StatusPUBLIC

Content hashes

Canonical text52fcd6d7e3ef01ce6d8e5de34dcaabef61531abe967143ac78f76b7f05f2676b
Markdown15494af47889cf89b9b4cba1d392b16a558a0c8d512fff068d1d52eedb96d102
PDF
Publication page47606831b971b3572550bc17e03be6f7ac689d237cde78f1ac5569986b9fae31
Manifestc16e5214cf9b73d965f277af46553f37febc66b95ae6874c7b2ffbfe531dce35

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
SignatureTPjyjSm/eAy+UhS7WA+F/7WrJh7h8kDpTeaYnc5kzK/uxOpti+LZPxzkvcF/v0fTDFJErUDMU+SEjsshjb1rBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:57.025602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049994
observed 47606831b971b3572550bc17e03be6f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.007578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049994/manifest.json
observed c16e5214cf9b73d965f277af46553f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.987554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049994/publication.md
observed 15494af47889cf89b9b4cba1d392b16a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.969986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049994/publication.txt
observed 52fcd6d7e3ef01ce6d8e5de34dcaabef...
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.