OpenTechnical

OT-2026-000038331

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000038331) never changes.

Identity and time

Publication numberOT-2026-000038331 · never reused
Internal UUID01a0ae78-2d52-7c65-93b3-b5d4fae7f220 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038331
StatusPUBLIC

Content hashes

Canonical text01b5552b2899364b2fb79cc36503d45fc0aa131a814292e53e2addb4647a54fe
Markdowndac2ecb89fbca323c3ea18260772d73c3ea69eb1eb7406ce1a52fa4ea3507237
PDF
Publication page1b545db0a148da27915ca958a3d7f92ad360dc7168d273dcd3a73bac278041d1
Manifesta1643746b28c54ab829497030b05a1b7bc8e056c720265cf6c5cb0dbb8f64d3b

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
SignaturekXL5a1Rauz1wC05etIVAEMW+UcKTdwBKdDTI+6X3deky9XGbsVL2w60K6oz245+MLp8YL58lskMiOc67Xl5lDg==
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

2026-09-17T11:22:30.816425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038331
observed 1b545db0a148da27915ca958a3d7f92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:30.797839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038331/manifest.json
observed a1643746b28c54ab829497030b05a1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:30.779148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038331/publication.md
observed dac2ecb89fbca323c3ea18260772d73c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:30.761831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038331/publication.txt
observed 01b5552b2899364b2fb79cc36503d45f...
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.