OpenTechnical

OT-2026-000101714

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, 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-2026-000101714) never changes.

Identity and time

Publication numberOT-2026-000101714 · never reused
Internal UUID01a0aea4-0e16-7385-a0cf-856c4fbceecf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101714
StatusPUBLIC

Content hashes

Canonical text310a096370aea0d18837beeecb4d70eacb060c9aeafff9072b1e5043be5162a1
Markdowna4144c662c4ac3bd143d328c78a7907a7d6a2812f8c54a8361c5a402420c6119
PDF
Publication page737c208b193451c7914c434f1d7dadbf36796b82e041923aef44cfca12d20608
Manifestc4650cc8fc9b2652f3c5d99b1986ed4c32e9f469f46e1b6395f938793f27de2e

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
SignaturePcfnOKlhTnBMLDlH3iABrIqpT3EwnicL+7XaVnegJx9q8iKnsTE3U6nJ1+V+6cjG/asbEnzAlrmCepl7rzSVAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:08.627067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101714
observed 737c208b193451c7914c434f1d7dadbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.607111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101714/manifest.json
observed c4650cc8fc9b2652f3c5d99b1986ed4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.589527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101714/publication.md
observed a4144c662c4ac3bd143d328c78a7907a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.572544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101714/publication.txt
observed 310a096370aea0d18837beeecb4d70ea...
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.