OpenTechnical

OT-2026-000083602

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000083602) never changes.

Identity and time

Publication numberOT-2026-000083602 · never reused
Internal UUID01a0ae98-0415-77c2-808c-776f978d9c2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083602
StatusPUBLIC

Content hashes

Canonical textb12b76b27d1883cc48e3296a4ee256640d4eab1d5492c315de9f3cd5f87f2d35
Markdownff779d6e5942884e5a2fa278007e7f37c3a9564d4a44d8b32feaebbf1ad1ee82
PDF
Publication page1565267f323d9fd190ed2907edf5cb034198c290e8e4650f13b62a40ae13ee9a
Manifest3f9f8078cc72f3968dade3dc3d99e4a1287a9a446c89de7a78ddebec466665be

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
SignaturepeHrQvbu+6xMX6xRDPwjBL1HEMaKdtfAWiu55/u+bl5cNqG49ek5u+ANtbwR+1ooyAwLr+6Epuce8i3Vm0l4Ag==
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

2026-09-17T09:57:05.793718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083602
observed 1565267f323d9fd190ed2907edf5cb03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.778272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083602/manifest.json
observed 3f9f8078cc72f3968dade3dc3d99e4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.761839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083602/publication.md
observed ff779d6e5942884e5a2fa278007e7f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.744177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083602/publication.txt
observed b12b76b27d1883cc48e3296a4ee25664...
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.