OpenTechnical

OT-2026-000078235

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078235) never changes.

Identity and time

Publication numberOT-2026-000078235 · never reused
Internal UUID01a0ae95-7c26-7c0b-83e8-8c3a0b114925 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078235
StatusPUBLIC

Content hashes

Canonical text4d04aa05c27a517ffd22d043a28bb2433cada825996831dbd50cbaa7ce8550e8
Markdownb2e75dda71e5686debe266637109dc1f98a6f54123af1f7dd4797329d5f02726
PDF
Publication pageba2d7846b36e7b0a137809524070bf0a27f1bf9c0011e377fbbbb3142609da6f
Manifest9487accec678954e6cfb832bcf6d2bc0ccd587313e318fab1baaa0259746fd5e

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
SignatureZ6+9ujxfBHGMrhvRG400Ib1BIynliY7LBet3UNLkfbjjNEq/Ol7/xMts8J95k8+/EKrUrZKhUqiAHsyQvr0pBA==
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

2026-09-17T10:06:11.045735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078235
observed ba2d7846b36e7b0a137809524070bf0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.026573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078235/manifest.json
observed 9487accec678954e6cfb832bcf6d2bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.007881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078235/publication.md
observed b2e75dda71e5686debe266637109dc1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:10.987915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078235/publication.txt
observed 4d04aa05c27a517ffd22d043a28bb243...
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.