OpenTechnical

OT-2026-000087301

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000087301) never changes.

Identity and time

Publication numberOT-2026-000087301 · never reused
Internal UUID01a0ae9a-cd4e-745c-ab1c-24cd4384d54f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087301
StatusPUBLIC

Content hashes

Canonical textfe002cdc619ecde2cadf128c492eba6a2ff40d65d64999bdfe871e0b3da03d39
Markdownb5980490ba54c1da839acd0460442ebbc6bc0111e6de4854ea63f667223a3a72
PDF
Publication pagefd5c63e4f2d2834595c233ddb0af1f33c1d5be51ff4c8276f6312e50fa461738
Manifesta15d72fe4980cf65a50a14cb3b9bfd34af3a1530691d063282691bb987663389

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
Signaturew26idJw4o0Dal2UqthsZm3wfeIa+mU8m/mhxTjLbdB5HcumLjIL0BYIrdmTLOpkpyZBtvsHZ5j+tbEPrLr10Bg==
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

2026-09-17T09:50:27.548032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087301
observed fd5c63e4f2d2834595c233ddb0af1f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.546482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087301
observed fd5c63e4f2d2834595c233ddb0af1f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.524343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087301/manifest.json
observed a15d72fe4980cf65a50a14cb3b9bfd34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.524075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087301/manifest.json
observed a15d72fe4980cf65a50a14cb3b9bfd34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.502992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087301/publication.md
observed b5980490ba54c1da839acd0460442ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.500090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087301/publication.md
observed b5980490ba54c1da839acd0460442ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.476644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087301/publication.txt
observed fe002cdc619ecde2cadf128c492eba6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.476296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087301/publication.txt
observed fe002cdc619ecde2cadf128c492eba6a...
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.