OpenTechnical

OT-2026-000015447

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000015447) never changes.

Identity and time

Publication numberOT-2026-000015447 · never reused
Internal UUID01a0ae6d-ef4a-7c31-9548-2d2060223f39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015447
StatusPUBLIC

Content hashes

Canonical text61bedd65358376430b42a141ea2deda675595e2f7de3f1ffcfc15f0612a5a8e4
Markdowna76523a096d167dc2ee96334ce46342dd4432633e5739762d70d2f88e587b125
PDF
Publication page2876d898b2c9510f6a2d873daa2c24cbb8e007940cc8f959a24a62c8a1eb268e
Manifest68ee59d60daeca7588968a0c766d9ff43db775fe1962e08e77753e7673801402

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
Signaturened+Vg/jyH/D1gGnmKq2HWdGsf4NTlofMU//7nJanKecOiU2Zi79ai+2NqwhRsS9LDHZ/ydVNOxLtAUvQE2/AQ==
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

2026-09-17T12:06:11.583785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015447
observed 2876d898b2c9510f6a2d873daa2c24cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.565206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015447/manifest.json
observed 68ee59d60daeca7588968a0c766d9ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.545943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015447/publication.md
observed a76523a096d167dc2ee96334ce46342d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.525497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015447/publication.txt
observed 61bedd65358376430b42a141ea2deda6...
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.