OpenTechnical

OT-2026-000075176

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000075176) never changes.

Identity and time

Publication numberOT-2026-000075176 · never reused
Internal UUID01a0ae93-f1ff-74fb-84ba-41ebdf7cdb7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075176
StatusPUBLIC

Content hashes

Canonical text354560e70975422136e428c34fb2892fe1cea6e605fdd7ad88f07873216a1235
Markdown9ff09259a9d4f0cc751ea21a68db57f6f4f21722169f5045b71d4e4558249873
PDF
Publication pagea59065cf3bf431ade226ddca79b3b2cb7e81b1ad56e7c81e15140b7055f75a0b
Manifestc6eeab6227d1d1849e917df3e2ecd7f58a613e9312de2b1b7c90e89dd6e7648e

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
Signature8yI+8sRiP4r3slI7BqoyCVf0aCZP30hJZFV6Vut+IatKD01jMgPEkzpGqRPRndtBeEDgl85Bd03LdKe3kJHiAQ==
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

2026-09-17T10:20:25.531829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075176
observed a59065cf3bf431ade226ddca79b3b2cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.507140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075176/manifest.json
observed c6eeab6227d1d1849e917df3e2ecd7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.488158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075176/publication.md
observed 9ff09259a9d4f0cc751ea21a68db57f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.469540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075176/publication.txt
observed 354560e70975422136e428c34fb2892f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.265345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075176
observed a59065cf3bf431ade226ddca79b3b2cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.246921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075176/manifest.json
observed c6eeab6227d1d1849e917df3e2ecd7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.226026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075176/publication.md
observed 9ff09259a9d4f0cc751ea21a68db57f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.205452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075176/publication.txt
observed 354560e70975422136e428c34fb2892f...
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.