OpenTechnical

OT-2026-000023019

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three 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-2026-000023019) never changes.

Identity and time

Publication numberOT-2026-000023019 · never reused
Internal UUID01a0ae70-46ec-7da2-9820-44ac12489a4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023019
StatusPUBLIC

Content hashes

Canonical text400feaefe20980eb0c4a0249f4a3bd578ceed012f0eae4ed6cd62e32b2f8df09
Markdownd2f57565a6499c48f5d774627a128a1877c1edba388efd6db62f38e30cc49b52
PDF
Publication pagecdc5ce8f7717e6a59671d898c5c7d0fa7d697a9a831a3162fc0709b5adddd315
Manifest7526a82eb8483dea7393f373607098d5a52bafb6047c57b41a1eaf77985504a4

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
SignaturetvD3Yxn/kQU0TWT7716OQBFch2q4SCyaKMaljc5i50PjW4yCPouJZaumoo/OiUaw7pmx4AemJoUNeHrOuMAFBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:37.016584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023019
observed cdc5ce8f7717e6a59671d898c5c7d0fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.997104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023019/manifest.json
observed 7526a82eb8483dea7393f373607098d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.978515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023019/publication.md
observed d2f57565a6499c48f5d774627a128a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.958384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023019/publication.txt
observed 400feaefe20980eb0c4a0249f4a3bd57...
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.