OpenTechnical

OT-2026-000035885

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000035885) never changes.

Identity and time

Publication numberOT-2026-000035885 · never reused
Internal UUID01a0ae76-b4c9-7af2-8e61-8dd3d02de645 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035885
StatusPUBLIC

Content hashes

Canonical textd664946c13f6c6472e252b2bc8575eda760f826dab812b05d022653d7690aa9f
Markdownef6abe8c79cf6a6551e1dc091f486a59f627a57fc3877266a1a3e53258e49f2d
PDF
Publication page5a8a7edda0ef8337540d1a5dfad63e708bb51314c63a508a4f82b312b21ae42e
Manifest8427bc6d5b8d3b861a7f6a6afd4696407c8f740f729c27103a98e7a58c27ad6f

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
SignatureIChmW65xstZU1PFZyL1gPgvD1xwFv1qBCPZ0m1c3Uqg+pN68BcIYZsZDtfbloo90Jstxvt+9vSIHVVCvDkv1Ag==
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

2026-09-17T11:27:37.840341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035885
observed 5a8a7edda0ef8337540d1a5dfad63e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:37.821916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035885/manifest.json
observed 8427bc6d5b8d3b861a7f6a6afd469640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:37.804514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035885/publication.md
observed ef6abe8c79cf6a6551e1dc091f486a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:37.787258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035885/publication.txt
observed d664946c13f6c6472e252b2bc8575eda...
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.