OpenTechnical

OT-2026-000051700

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000051700) never changes.

Identity and time

Publication numberOT-2026-000051700 · never reused
Internal UUID01a0ae83-7c82-7f87-9a42-a675f654b6db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051700
StatusPUBLIC

Content hashes

Canonical textad0b6cc03887f826a4204e5f3441a1fbc54c55def6c78db7a8da2c9a34c3afaf
Markdown74c3e084e84446a2b9a3c4c13e20993326bd540d128e14bcbf2143ba44018749
PDF
Publication page7860fd2d29446be53f761ac26d0ebfd0c765eccb47dd07aa69114ee924ebb6eb
Manifest1207891d6d1e85e6f1fbe2095a3b24e0d278b9cd77421be4a7f9564b818788d0

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
SignatureJJ5DZJ5PXE7WPDWGl5hjy7nVLpii3RH6X7rY6mrUYPIbEJJUfVqNQGDBWy/ZgaoUS38qbDtSAmoNViIJIK06AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:34.768531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051700
observed 7860fd2d29446be53f761ac26d0ebfd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:34.750943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051700/manifest.json
observed 1207891d6d1e85e6f1fbe2095a3b24e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:34.734159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051700/publication.md
observed 74c3e084e84446a2b9a3c4c13e209933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:34.715643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051700/publication.txt
observed ad0b6cc03887f826a4204e5f3441a1fb...
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.