OpenTechnical

OT-2026-000050028

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000050028) never changes.

Identity and time

Publication numberOT-2026-000050028 · never reused
Internal UUID01a0ae81-fd78-7b43-8cec-cc3bb6684e92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050028
StatusPUBLIC

Content hashes

Canonical text32273eeada69251d4d83f5a47eb6f40d7f5d7394373aec4704c6ba8afd2e605e
Markdown3fc7dfb1e31f56d8d6d4530e1ced178e876e3fcc256109331292beeae9f3f45f
PDF
Publication pageb951c4ffa1f47aa4141a20ebb4b8c0996ab3aaca5b00246b5a148cc41557b948
Manifestff4f0bb27765e21f42cf3ed36fcc668d2ae500f2e3552996f3c3303b4d671bcc

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
SignatureO0+MLlVev11vJafNr99V7X1Gt3cXrCTYCAeSQzCI0Jz0WekJVJ9LhrIT/D1G2btH/PCxI06014mSqjxM9NVZBQ==
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

2026-09-17T11:02:00.066058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050028
observed b951c4ffa1f47aa4141a20ebb4b8c099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.046543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050028/manifest.json
observed ff4f0bb27765e21f42cf3ed36fcc668d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.025093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050028/publication.md
observed 3fc7dfb1e31f56d8d6d4530e1ced178e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:00.005411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050028/publication.txt
observed 32273eeada69251d4d83f5a47eb6f40d...
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.