OpenTechnical

OT-2026-000008507

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000008507) never changes.

Identity and time

Publication numberOT-2026-000008507 · never reused
Internal UUID01a0ae6a-e46a-7bed-96a0-cc443cc5d7f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008507
StatusPUBLIC

Content hashes

Canonical text6e3772678f49f659ded294af2d090f9ac2aeb71526610d5b9e8097c488903a84
Markdown464070fc0342b87b6b3510f02724916d5903b73caaf1102dc649808ada19cf2c
PDF
Publication page0186deaa2bbc58e753ecc5e0509d69cc40e60455b5d7ef8531616f0487b72b48
Manifest683fc05e3764bc96608d878c2818b22d011f0c41442ee930178b018149ef5026

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
SignatureVxhzMIazdMSt6cthsCb+Y2CpVTQV+ML51ZLn+M2g9OboCZ+U41XgftU8cgz0zFs+6IFcJw/9Yp+0Zu780t/iDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:25.001183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008507
observed 0186deaa2bbc58e753ecc5e0509d69cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:24.978265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008507/manifest.json
observed 683fc05e3764bc96608d878c2818b22d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:24.959282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008507/publication.md
observed 464070fc0342b87b6b3510f02724916d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:24.937888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008507/publication.txt
observed 6e3772678f49f659ded294af2d090f9a...
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.