OpenTechnical

OT-2026-000073203

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000073203) never changes.

Identity and time

Publication numberOT-2026-000073203 · never reused
Internal UUID01a0ae92-efb6-7e52-ac27-014a70453fdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073203
StatusPUBLIC

Content hashes

Canonical texta198649a165948f4aef6ba2625b48bcb0ac4b01c8610813723f9a342a4048f8b
Markdown72ef07cf1f44adc636b6573d92b646f5f897d40bc4998f91d6fccca1a8dee9f8
PDF
Publication page2031854042df46f59281aa58ac371435333d2832cc23e2f79dabb81ac95af86d
Manifestfa1d079f6512873d81c758f03e48f26182a690cbac38fdba949514cf8b0e5c29

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
SignatureoqBxkJQ+NelY5fAXH2yxjVTM+oaKwOeD3B+qvot3QcxlPSlf9ALBMb46JMtG69G0M4ppSg5RDYhIAiGtu0sgAA==
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

2026-09-17T10:21:10.031868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073203
observed 2031854042df46f59281aa58ac371435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.013368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073203/manifest.json
observed fa1d079f6512873d81c758f03e48f261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:09.993760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073203/publication.md
observed 72ef07cf1f44adc636b6573d92b646f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:09.973383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073203/publication.txt
observed a198649a165948f4aef6ba2625b48bcb...
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.