OpenTechnical

OT-2026-000072527

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000072527) never changes.

Identity and time

Publication numberOT-2026-000072527 · never reused
Internal UUID01a0ae92-89d8-71b5-bf1e-056b2fe5f7b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072527
StatusPUBLIC

Content hashes

Canonical textd9bd805f5990393f9fd8000eb7ce9b7dc97b89738da896e8bbb257280623c78b
Markdown000822f52872a7d537f5c48720ac4f1c98825805c0ff1b7d515f7db825f91bf1
PDF
Publication page1c486af3ec8be1843bf589961ede248ad5fb34f2693727c259df21c9864cf32e
Manifest8fdd33d69ba664388baa397f3e78d0963f6a45ec45f8e671aa6eae4fd8b9e67c

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
SignatureIR40Sq+FIIAZ11OAbg/Vx6PNUmNvrrO4Xm8eHI3XfIa6CT6rC6N9sF62ZTn5fF6QU/kdITCRf4WHfAc1mVn7DQ==
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

2026-09-17T10:22:21.510787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072527
observed 1c486af3ec8be1843bf589961ede248a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.494149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072527/manifest.json
observed 8fdd33d69ba664388baa397f3e78d096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.475743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072527/publication.md
observed 000822f52872a7d537f5c48720ac4f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.458405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072527/publication.txt
observed d9bd805f5990393f9fd8000eb7ce9b7d...
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.