OpenTechnical

OT-2026-000008808

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000008808) never changes.

Identity and time

Publication numberOT-2026-000008808 · never reused
Internal UUID01a0ae6a-e46c-74f0-a1a5-91e9b2dfb195 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008808
StatusPUBLIC

Content hashes

Canonical text4af5d20cede4c2bc4022d5a57a7957ae38314bb706ba1cbc18711f56e9e74722
Markdownb77b10b21788450c07acd433c305153bdb05cbd0686baf9eac55a6071555384e
PDF
Publication pagebd11c353bc02fd4519c248c5c44169773fcb0222c0b780d204956bd64b5c0013
Manifest5b79e740882addf37f6c9c50f3414ba24e1f753a17323c73ab649b3cdb0120a7

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
SignaturevX1TDF+KtYjSjbjnk2g2zqxkwKk268qvliJV/6QTAK0eIgrMLZPgP8eEod961Qwu9hWYdlm0JLKIvVqHA1pWDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:05.906320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008808
observed bd11c353bc02fd4519c248c5c4416977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.885493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008808/manifest.json
observed 5b79e740882addf37f6c9c50f3414ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.863286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008808/publication.md
observed b77b10b21788450c07acd433c305153b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.844354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008808/publication.txt
observed 4af5d20cede4c2bc4022d5a57a7957ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:44.921140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008808
observed bd11c353bc02fd4519c248c5c4416977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:44.904274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008808/manifest.json
observed 5b79e740882addf37f6c9c50f3414ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:44.886362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008808/publication.md
observed b77b10b21788450c07acd433c305153b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:44.864335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008808/publication.txt
observed 4af5d20cede4c2bc4022d5a57a7957ae...
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.