OpenTechnical

OT-2026-000034178

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000034178) never changes.

Identity and time

Publication numberOT-2026-000034178 · never reused
Internal UUID01a0ae75-df0d-7432-ae94-34c196cbf3c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034178
StatusPUBLIC

Content hashes

Canonical text9134b9e402782a25329a179dedf890ab4c0ebcf77f6c4c139e72c126fb30b2ba
Markdown7141126659599f6c7d423d1911a65e2b2772889e97e20ae71976627266cc0e9a
PDF
Publication page6ff7bc26e0427532895da2b79561a6e5a99a94e50bbb3010825c4f127f16afbc
Manifest31107fe1ffd8e4545f0294c696793008afa9f7e951e4325fbb4279db24a70724

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
SignatureSfmc81SCSdalPXNMXER1jN1P9ASpKxZFv0erKufB4VMpTIFAd8ysCFci1KhzVZsWrf69ix4bNLCXf597i+sNAA==
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

2026-09-17T11:30:42.585170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034178
observed 6ff7bc26e0427532895da2b79561a6e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.566946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034178/manifest.json
observed 31107fe1ffd8e4545f0294c696793008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.543453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034178/publication.md
observed 7141126659599f6c7d423d1911a65e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.523999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034178/publication.txt
observed 9134b9e402782a25329a179dedf890ab...
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.