OpenTechnical

OT-2026-000015710

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000015710) never changes.

Identity and time

Publication numberOT-2026-000015710 · never reused
Internal UUID01a0ae6e-0c4b-713f-8536-f625868b7173 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015710
StatusPUBLIC

Content hashes

Canonical text074404313221b8f3c15d1e9b537b2f39979b89203ce88b8d194895ac6e96df6c
Markdowndfa197d67597e28f9ac19d0216e6a5df30be535fa11d1612c0cb8ff9b9853be2
PDF
Publication pageb7c170f76bb17a55a5bb7b0d2a19480d05e7dcce6cc9620ce7fa21d608a4a458
Manifestfa10aa4ddf117859c124da2781f4076b1dc9e6611e608817cd6bcc9162fb09fc

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
SignatureCVRMBmvyTg1j8rYXSHOPa/j7ah64YErp00NO5JePnNd50z3RmQmgnqbKYKl3KZIPqMRMM0x3Xjl3tAc04iwdBg==
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

2026-09-17T12:04:59.454130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015710
observed b7c170f76bb17a55a5bb7b0d2a19480d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.436799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015710/manifest.json
observed fa10aa4ddf117859c124da2781f4076b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.418166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015710/publication.md
observed dfa197d67597e28f9ac19d0216e6a5df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.401537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015710/publication.txt
observed 074404313221b8f3c15d1e9b537b2f39...
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.