OpenTechnical

OT-2026-000008874

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000008874) never changes.

Identity and time

Publication numberOT-2026-000008874 · never reused
Internal UUID01a0ae6b-31b7-76c2-ae48-6900e36ab919 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008874
StatusPUBLIC

Content hashes

Canonical text90aed6a69da5a293b63939f3d7c6255d09014265352a3a933441c3157ec81cfa
Markdown5778ca26e9890bd10e139c717f2b0997bdb75b330217f6d9b91d949e0a14c691
PDF
Publication page26fe634560174bae6bc39d6a23d253641f14c15be061ef17f48cb2e972449088
Manifestfd5bf67904ee192e378dbca64f21f1ac52d4e4e5209e1a1dc5eea13b49f4cb3d

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
SignatureWji0ASpvI/sJXRAF95u5kAsxQiJ2PuLOJOloumJy23p+OGXCyZbK4OE1vNPNF3CybJvq4fzCcB52f5oTatqpAg==
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

2026-09-17T12:17:28.069332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008874
observed 26fe634560174bae6bc39d6a23d25364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.050417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008874/manifest.json
observed fd5bf67904ee192e378dbca64f21f1ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.031501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008874/publication.md
observed 5778ca26e9890bd10e139c717f2b0997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.012002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008874/publication.txt
observed 90aed6a69da5a293b63939f3d7c6255d...
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.