OpenTechnical

OT-2026-000007668

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000007668) never changes.

Identity and time

Publication numberOT-2026-000007668 · never reused
Internal UUID01a0ae62-76bd-7b7d-8e31-190c6b769446 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007668
StatusPUBLIC

Content hashes

Canonical texta724d85aea9cdf083c4fd7a6d35288c4e860a2b05d590cec522dbee3fa32aae5
Markdown8ecb0562e529d49d379b741c8ba6d6a9fed331cd1bdfbdaaf9a0941efef40260
PDF
Publication page9c868949832c0abe654bf049c43b3f90a8debc8efe7bf7a281c64270fef17864
Manifest8aa8fbfdb272b8583b2b7e20dca2a086c4b9eaeb9f665d92f6285111c2a76a55

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
SignatureVElYwpzBnTxsTtZ9woCRqw5Y+bAQEN85Kb7/MjEcX1NKM0CTpuYNgQ6Oth2v0jTKwMl0TBwM6+fnz5QOU3EoAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:17.542858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007668
observed 9c868949832c0abe654bf049c43b3f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.525578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007668/manifest.json
observed 8aa8fbfdb272b8583b2b7e20dca2a086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.507893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007668/publication.md
observed 8ecb0562e529d49d379b741c8ba6d6a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.483561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007668/publication.txt
observed a724d85aea9cdf083c4fd7a6d35288c4...
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.