OpenTechnical

OT-2026-000089103

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000089103) never changes.

Identity and time

Publication numberOT-2026-000089103 · never reused
Internal UUID01a0ae9b-daff-7d2c-95fa-004b799d8ad5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089103
StatusPUBLIC

Content hashes

Canonical text7af1fc73eb9c0576b251a67c01e4cf8589f2111b5c508eb1e8af2a5e9a1fe2cd
Markdownfb2e8a40cae7d76dfee703e4df83718c88d5195435e2dc7637c140e68f456fbe
PDF
Publication page2bb51043ee14e39c66212cb07392c69ea9f84007628f443945f1c27486ceae16
Manifest22c8fe22f2ba7b0dda3a8e831af9c931faedea9bcdd664008049d140e2e23384

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
SignatureT/oelOekSjhgbf1KeGWejkezyY/a2BhYAym6vXUb0AhQIDqRT0SeXWJnkBgvWXWVcsVHtR9CePdk0qm3YcFpAg==
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

2026-09-17T09:47:00.720587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089103
observed 2bb51043ee14e39c66212cb07392c69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.704105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089103/manifest.json
observed 22c8fe22f2ba7b0dda3a8e831af9c931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.687028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089103/publication.md
observed fb2e8a40cae7d76dfee703e4df83718c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.670680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089103/publication.txt
observed 7af1fc73eb9c0576b251a67c01e4cf85...
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.